gma-connectors: Add Initialize() procedure

Change-Id: I62946152da9a93b881e0b0ea4b2679086ec8e970
Signed-off-by: Nico Huber <nico.huber@secunet.com>
Reviewed-on: https://review.coreboot.org/20128
Tested-by: Nico Huber <nico.h@gmx.de>
Reviewed-by: Matt DeVillier <matt.devillier@gmail.com>
diff --git a/common/ironlake/hw-gfx-gma-connectors.adb b/common/ironlake/hw-gfx-gma-connectors.adb
index 7d00fa6..8ae47fd 100644
--- a/common/ironlake/hw-gfx-gma-connectors.adb
+++ b/common/ironlake/hw-gfx-gma-connectors.adb
@@ -29,6 +29,12 @@
 package body HW.GFX.GMA.Connectors
 is
 
+   procedure Initialize
+   is
+   begin
+      null;
+   end Initialize;
+
    function Is_Internal (Port_Cfg : Port_Config) return Boolean
    is
    begin