mb/*/*: Add a few VBT files

These files are directly extracted from the vendor firmware.

Change-Id: I1dea2843255e4a3e93fbb734dea284be029dbc45
Signed-off-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-on: https://review.coreboot.org/26654
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Nico Huber <nico.h@gmx.de>
diff --git a/src/mainboard/gigabyte/ga-945gcm-s2l/Kconfig b/src/mainboard/gigabyte/ga-945gcm-s2l/Kconfig
index 4b957d4..5581a7f 100644
--- a/src/mainboard/gigabyte/ga-945gcm-s2l/Kconfig
+++ b/src/mainboard/gigabyte/ga-945gcm-s2l/Kconfig
@@ -32,6 +32,7 @@
 	select CHANNEL_XOR_RANDOMIZATION
 	select MAINBOARD_HAS_NATIVE_VGA_INIT
 	select REALTEK_8168_RESET if BOARD_GIGABYTE_GA_945GCM_S2L
+	select INTEL_GMA_VBT_HAVE_DATA_FILE
 
 config MAINBOARD_DIR
 	string
@@ -55,4 +56,8 @@
 	int
 	default 2
 
+# Override the default variant behavior, since the data.vbt is the same
+config INTEL_GMA_VBT_FILE
+	default "src/mainboard/$(MAINBOARDDIR)/data.vbt"
+
 endif