drivers/intel/gma: Unify VBT related Kconfig names

Shuffle words and drop the _DATA_FILE suffix.

Change-Id: I0b0d50ea729e5580c0bc7b43f250ff387ce59cfc
Signed-off-by: Nico Huber <nico.h@gmx.de>
Reviewed-on: https://review.coreboot.org/26898
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Arthur Heymans <arthur@aheymans.xyz>
diff --git a/src/soc/intel/skylake/Kconfig b/src/soc/intel/skylake/Kconfig
index b3e9d94..3e0158b 100644
--- a/src/soc/intel/skylake/Kconfig
+++ b/src/soc/intel/skylake/Kconfig
@@ -84,7 +84,7 @@
 	depends on MAINBOARD_USES_FSP2_0
 	select PLATFORM_USES_FSP2_0
 	select UDK_2015_BINDING
-	select INTEL_GMA_ADD_VBT_DATA_FILE if RUN_FSP_GOP
+	select INTEL_GMA_ADD_VBT if RUN_FSP_GOP
 	select POSTCAR_CONSOLE
 	select POSTCAR_STAGE