fsp/gop: Add running the GOP to the choice of gfx init

The new config choice is called RUN_FSP_GOP. Some things had to happen
on the road:

  * Drop confusing config GOP_SUPPORT,
  * Add HAVE_FSP_GOP to chipsets that support it,
  * Make running the GOP an option for FSP2.0 by returning 0
    in random VBT getters.

Change-Id: I92f88424004a4c0abf1f39cc02e2a146bddbcedf
Signed-off-by: Nico Huber <nico.huber@secunet.com>
Reviewed-on: https://review.coreboot.org/19815
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
diff --git a/src/soc/intel/skylake/Kconfig b/src/soc/intel/skylake/Kconfig
index c15e402..12dd772 100644
--- a/src/soc/intel/skylake/Kconfig
+++ b/src/soc/intel/skylake/Kconfig
@@ -77,6 +77,7 @@
 	select TSC_SYNC_MFENCE
 	select UDELAY_TSC
 	select ACPI_NHLT
+	select HAVE_FSP_GOP
 
 config MAINBOARD_USES_FSP2_0
 	bool
@@ -87,7 +88,7 @@
 	depends on MAINBOARD_USES_FSP2_0
 	default y if MAINBOARD_USES_FSP2_0
 	select PLATFORM_USES_FSP2_0
-	select ADD_VBT_DATA_FILE
+	select ADD_VBT_DATA_FILE if RUN_FSP_GOP
 	select SOC_INTEL_COMMON_GFX_OPREGION
 	select POSTCAR_CONSOLE
 	select POSTCAR_STAGE
@@ -97,7 +98,6 @@
 	depends on !MAINBOARD_USES_FSP2_0
 	default y if !MAINBOARD_USES_FSP2_0
 	select PLATFORM_USES_FSP1_1
-	select GOP_SUPPORT
 	select DISPLAY_FSP_ENTRY_POINTS
 
 config CHROMEOS