gma: Make Raw_Clock a variable

On GMCH the Raw_Clock depends on the FSB frequency.

Change-Id: I11af9ecb3504983ba1d3136c1b82bd14363afdba
Signed-off-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-on: https://review.coreboot.org/25403
Reviewed-by: Nico Huber <nico.h@gmx.de>
diff --git a/common/hw-gfx-gma.adb b/common/hw-gfx-gma.adb
index d8438ab..a4445ba 100644
--- a/common/hw-gfx-gma.adb
+++ b/common/hw-gfx-gma.adb
@@ -46,7 +46,7 @@
          HPD_Delay, Wait_For_HPD,
          Linear_FB_Base),
       Init_State => Initialized,
-      Config_State => Config.Valid_Port_GPU,
+      Config_State => (Config.Valid_Port_GPU, Config.Raw_Clock),
       Device_State =>
         (Dev.PCI_State, Registers.Register_State, Registers.GTT_State))
 is
@@ -307,7 +307,8 @@
       Refined_Global =>
         (In_Out =>
            (Config.Valid_Port_GPU, Dev.PCI_State,
-            Registers.Register_State, Port_IO.State),
+            Registers.Register_State, Port_IO.State,
+            Config.Raw_Clock),
          Input =>
            (Time.State),
          Output =>