gma: Update PCH Rawclk programming for TGL

Tigerlake onwards needs the Rawclk numerator programmed into the
RAWCLK register in addition the fields from to prior generations.

Signed-off-by: Tim Wawrzynczak <twawrzynczak@chromium.org>
Change-Id: Iad36221a44db4128332392bd6610132ea08c0e35
Reviewed-on: https://review.coreboot.org/c/libgfxinit/+/67491
Reviewed-by: Nico Huber <nico.h@gmx.de>
Tested-by: Nico Huber <nico.h@gmx.de>
diff --git a/common/hw-gfx-gma-config.ads.template b/common/hw-gfx-gma-config.ads.template
index e759a0c..a2bc2e8 100644
--- a/common/hw-gfx-gma-config.ads.template
+++ b/common/hw-gfx-gma-config.ads.template
@@ -293,6 +293,9 @@
    ----------- Type-C: ----------
    Has_Type_C_Ports              : <genbool> := Tigerlake_On;
 
+   ----------- Rawclk -----------
+   Need_Rawclk_Numerator         : <genbool> := Tigerlake_On;
+
    ----------------------------------------------------------------------------
 
    Max_Pipe : <ilkvar> Pipe_Index :=