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>

src/soc/intel/apollolake/Kconfig

@@ -104,7 +104,7 @@ config CPU_SPECIFIC_OPTIONS
 	select UDK_2015_BINDING if !SOC_INTEL_GLK
 	select UDK_2017_BINDING if SOC_INTEL_GLK
 	select HAVE_HARD_RESET
-	select INTEL_GMA_ADD_VBT_DATA_FILE if RUN_FSP_GOP
+	select INTEL_GMA_ADD_VBT if RUN_FSP_GOP
 	select HAVE_FSP_GOP
 	select NO_UART_ON_SUPERIO
 	select INTEL_GMA_ACPI