gma: Program PCH_RAWCLK_FREQ register

This seems to be a scratchpad register to tell later drivers which
frequency the platform uses. Linux reads this but never writes the
register.

Change-Id: I55af7c7b675da580c7f52d9997262b232019132c
Signed-off-by: Nico Huber <nico.huber@secunet.com>
Reviewed-on: https://review.coreboot.org/17071
Tested-by: Nico Huber <nico.h@gmx.de>
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
diff --git a/common/hw-gfx-gma-registers.ads b/common/hw-gfx-gma-registers.ads
index d42d4bb..1633bac 100644
--- a/common/hw-gfx-gma-registers.ads
+++ b/common/hw-gfx-gma-registers.ads
@@ -349,7 +349,7 @@
       PCH_FPB0,
       PCH_FPB1,
       PCH_DREF_CONTROL,
-      RAWCLK_FREQ,
+      PCH_RAWCLK_FREQ,
       PCH_DPLL_SEL,
       PCH_PP_STATUS,
       PCH_PP_CONTROL,
@@ -1014,7 +1014,7 @@
       TRANS_VSYNCSHIFT_A    => 16#0e_0028# / Register_Width,
       TRANS_VSYNCSHIFT_B    => 16#0e_1028# / Register_Width,
       TRANS_VSYNCSHIFT_C    => 16#0e_2028# / Register_Width,
-      RAWCLK_FREQ           => 16#0c_6204# / Register_Width,
+      PCH_RAWCLK_FREQ       => 16#0c_6204# / Register_Width,
       QUIRK_C2004           => 16#0c_2004# / Register_Width);
 
    subtype Registers_Index is Registers_Invalid_Index range