Drop generation suffix from `Power_And_Clocks`

There's no need to differentiate between `Power_And_Clocks` packages for
different generations anymore.

Change-Id: Ide297d52959285e93185c84690a343a2679282db
Signed-off-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-on: https://review.coreboot.org/c/libgfxinit/+/43597
Tested-by: Nico Huber <nico.h@gmx.de>
Reviewed-by: Nico Huber <nico.h@gmx.de>
diff --git a/common/skylake/Makefile.inc b/common/skylake/Makefile.inc
index cf720bf..dc1e08d 100644
--- a/common/skylake/Makefile.inc
+++ b/common/skylake/Makefile.inc
@@ -7,7 +7,6 @@
 gfxinit-y += hw-gfx-gma-plls-dpll_0.ads
 gfxinit-y += hw-gfx-gma-plls.adb
 gfxinit-y += hw-gfx-gma-plls.ads
+gfxinit-y += hw-gfx-gma-power_and_clocks.adb
 gfxinit-y += hw-gfx-gma-power_and_clocks.ads
-gfxinit-y += hw-gfx-gma-power_and_clocks_skylake.adb
-gfxinit-y += hw-gfx-gma-power_and_clocks_skylake.ads
 gfxinit-y += hw-gfx-gma-spll.ads