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/cannonlake/Kconfig b/src/soc/intel/cannonlake/Kconfig
index dd36936..005ed99 100644
--- a/src/soc/intel/cannonlake/Kconfig
+++ b/src/soc/intel/cannonlake/Kconfig
@@ -28,7 +28,7 @@
 	select HAVE_SMI_HANDLER
 	select IDT_IN_EVERY_STAGE
 	select INTEL_GMA_ACPI
-	select INTEL_GMA_ADD_VBT_DATA_FILE if RUN_FSP_GOP
+	select INTEL_GMA_ADD_VBT if RUN_FSP_GOP
 	select IOAPIC
 	select MRC_SETTINGS_PROTECT
 	select PARALLEL_MP
diff --git a/src/soc/intel/cannonlake/graphics.c b/src/soc/intel/cannonlake/graphics.c
index 1487a31..58f87f7 100644
--- a/src/soc/intel/cannonlake/graphics.c
+++ b/src/soc/intel/cannonlake/graphics.c
@@ -46,14 +46,14 @@
 
 	/*
 	 * GFX PEIM module inside FSP binary is taking care of graphics
-	 * initialization based on INTEL_GMA_ADD_VBT_DATA_FILE Kconfig
+	 * initialization based on INTEL_GMA_ADD_VBT Kconfig
 	 * option and input VBT file. Hence no need to load/execute legacy VGA
 	 * OpROM in order to initialize GFX.
 	 *
 	 * In case of non-FSP solution, SoC need to select VGA_ROM_RUN
 	 * Kconfig to perform GFX initialization through VGA OpRom.
 	 */
-	if (IS_ENABLED(CONFIG_INTEL_GMA_ADD_VBT_DATA_FILE))
+	if (IS_ENABLED(CONFIG_INTEL_GMA_ADD_VBT))
 		return;
 
 	/* IGD needs to Bus Master */