Relicense libgfxinit under GPL v2+

Change-Id: I5d683dda83d23e89955a4d840b5570bd8642834a
Signed-off-by: Nico Huber <nico.huber@secunet.com>
Reviewed-on: https://review.coreboot.org/17052
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
Tested-by: Nico Huber <nico.h@gmx.de>
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
diff --git a/common/skylake/hw-gfx-gma-plls-dpll.adb b/common/skylake/hw-gfx-gma-plls-dpll.adb
index c48f4ff..b561428 100644
--- a/common/skylake/hw-gfx-gma-plls-dpll.adb
+++ b/common/skylake/hw-gfx-gma-plls-dpll.adb
@@ -3,7 +3,8 @@
 --
 -- This program is free software; you can redistribute it and/or modify
 -- it under the terms of the GNU General Public License as published by
--- the Free Software Foundation; version 2 of the License.
+-- the Free Software Foundation; either version 2 of the License, or
+-- (at your option) any later version.
 --
 -- This program is distributed in the hope that it will be useful,
 -- but WITHOUT ANY WARRANTY; without even the implied warranty of
diff --git a/common/skylake/hw-gfx-gma-plls-dpll.ads b/common/skylake/hw-gfx-gma-plls-dpll.ads
index 61bd55e..cd31c58 100644
--- a/common/skylake/hw-gfx-gma-plls-dpll.ads
+++ b/common/skylake/hw-gfx-gma-plls-dpll.ads
@@ -3,7 +3,8 @@
 --
 -- This program is free software; you can redistribute it and/or modify
 -- it under the terms of the GNU General Public License as published by
--- the Free Software Foundation; version 2 of the License.
+-- the Free Software Foundation; either version 2 of the License, or
+-- (at your option) any later version.
 --
 -- This program is distributed in the hope that it will be useful,
 -- but WITHOUT ANY WARRANTY; without even the implied warranty of
diff --git a/common/skylake/hw-gfx-gma-plls-dpll_0.adb b/common/skylake/hw-gfx-gma-plls-dpll_0.adb
index f981940..d51b9cd 100644
--- a/common/skylake/hw-gfx-gma-plls-dpll_0.adb
+++ b/common/skylake/hw-gfx-gma-plls-dpll_0.adb
@@ -3,7 +3,8 @@
 --
 -- This program is free software; you can redistribute it and/or modify
 -- it under the terms of the GNU General Public License as published by
--- the Free Software Foundation; version 2 of the License.
+-- the Free Software Foundation; either version 2 of the License, or
+-- (at your option) any later version.
 --
 -- This program is distributed in the hope that it will be useful,
 -- but WITHOUT ANY WARRANTY; without even the implied warranty of
diff --git a/common/skylake/hw-gfx-gma-plls-dpll_0.ads b/common/skylake/hw-gfx-gma-plls-dpll_0.ads
index a2fecfa..7935fb8 100644
--- a/common/skylake/hw-gfx-gma-plls-dpll_0.ads
+++ b/common/skylake/hw-gfx-gma-plls-dpll_0.ads
@@ -3,7 +3,8 @@
 --
 -- This program is free software; you can redistribute it and/or modify
 -- it under the terms of the GNU General Public License as published by
--- the Free Software Foundation; version 2 of the License.
+-- the Free Software Foundation; either version 2 of the License, or
+-- (at your option) any later version.
 --
 -- This program is distributed in the hope that it will be useful,
 -- but WITHOUT ANY WARRANTY; without even the implied warranty of
diff --git a/common/skylake/hw-gfx-gma-plls.adb b/common/skylake/hw-gfx-gma-plls.adb
index 561f8ad..3da0054 100644
--- a/common/skylake/hw-gfx-gma-plls.adb
+++ b/common/skylake/hw-gfx-gma-plls.adb
@@ -3,7 +3,8 @@
 --
 -- This program is free software; you can redistribute it and/or modify
 -- it under the terms of the GNU General Public License as published by
--- the Free Software Foundation; version 2 of the License.
+-- the Free Software Foundation; either version 2 of the License, or
+-- (at your option) any later version.
 --
 -- This program is distributed in the hope that it will be useful,
 -- but WITHOUT ANY WARRANTY; without even the implied warranty of
diff --git a/common/skylake/hw-gfx-gma-plls.ads b/common/skylake/hw-gfx-gma-plls.ads
index 9407af0..b975229 100644
--- a/common/skylake/hw-gfx-gma-plls.ads
+++ b/common/skylake/hw-gfx-gma-plls.ads
@@ -3,7 +3,8 @@
 --
 -- This program is free software; you can redistribute it and/or modify
 -- it under the terms of the GNU General Public License as published by
--- the Free Software Foundation; version 2 of the License.
+-- the Free Software Foundation; either version 2 of the License, or
+-- (at your option) any later version.
 --
 -- This program is distributed in the hope that it will be useful,
 -- but WITHOUT ANY WARRANTY; without even the implied warranty of
diff --git a/common/skylake/hw-gfx-gma-power_and_clocks.ads b/common/skylake/hw-gfx-gma-power_and_clocks.ads
index bf54989..98a3bba 100644
--- a/common/skylake/hw-gfx-gma-power_and_clocks.ads
+++ b/common/skylake/hw-gfx-gma-power_and_clocks.ads
@@ -3,7 +3,8 @@
 --
 -- This program is free software; you can redistribute it and/or modify
 -- it under the terms of the GNU General Public License as published by
--- the Free Software Foundation; version 2 of the License.
+-- the Free Software Foundation; either version 2 of the License, or
+-- (at your option) any later version.
 --
 -- This program is distributed in the hope that it will be useful,
 -- but WITHOUT ANY WARRANTY; without even the implied warranty of
diff --git a/common/skylake/hw-gfx-gma-power_and_clocks_skylake.adb b/common/skylake/hw-gfx-gma-power_and_clocks_skylake.adb
index 521ef8b..ab2f1fa 100644
--- a/common/skylake/hw-gfx-gma-power_and_clocks_skylake.adb
+++ b/common/skylake/hw-gfx-gma-power_and_clocks_skylake.adb
@@ -3,7 +3,8 @@
 --
 -- This program is free software; you can redistribute it and/or modify
 -- it under the terms of the GNU General Public License as published by
--- the Free Software Foundation; version 2 of the License.
+-- the Free Software Foundation; either version 2 of the License, or
+-- (at your option) any later version.
 --
 -- This program is distributed in the hope that it will be useful,
 -- but WITHOUT ANY WARRANTY; without even the implied warranty of
diff --git a/common/skylake/hw-gfx-gma-power_and_clocks_skylake.ads b/common/skylake/hw-gfx-gma-power_and_clocks_skylake.ads
index 017ca65..0c5fcf9 100644
--- a/common/skylake/hw-gfx-gma-power_and_clocks_skylake.ads
+++ b/common/skylake/hw-gfx-gma-power_and_clocks_skylake.ads
@@ -3,7 +3,8 @@
 --
 -- This program is free software; you can redistribute it and/or modify
 -- it under the terms of the GNU General Public License as published by
--- the Free Software Foundation; version 2 of the License.
+-- the Free Software Foundation; either version 2 of the License, or
+-- (at your option) any later version.
 --
 -- This program is distributed in the hope that it will be useful,
 -- but WITHOUT ANY WARRANTY; without even the implied warranty of
diff --git a/common/skylake/hw-gfx-gma-spll.ads b/common/skylake/hw-gfx-gma-spll.ads
index d9af288..6b9dc01 100644
--- a/common/skylake/hw-gfx-gma-spll.ads
+++ b/common/skylake/hw-gfx-gma-spll.ads
@@ -3,7 +3,8 @@
 --
 -- This program is free software; you can redistribute it and/or modify
 -- it under the terms of the GNU General Public License as published by
--- the Free Software Foundation; version 2 of the License.
+-- the Free Software Foundation; either version 2 of the License, or
+-- (at your option) any later version.
 --
 -- This program is distributed in the hope that it will be useful,
 -- but WITHOUT ANY WARRANTY; without even the implied warranty of