mb/google/jecht: Add VBTs for all variants

Add VBTs for jecht variants, extracted from VGA BIOS
from stock firmware images using intelvbttool, zero-padded
to 0x11ff bytes to make the Intel BMP editor happy.
Use a common VBT for all except tidus, since it differs
from the others.

Change-Id: I570bdb749ef7d49f41539074220bb16c9c100342
Signed-off-by: Matt DeVillier <matt.devillier@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/37735
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Nico Huber <nico.h@gmx.de>

src/mainboard/google/jecht/Kconfig

@@ -6,6 +6,7 @@ config BOARD_GOOGLE_BASEBOARD_JECHT
 	select HAVE_ACPI_TABLES
 	select HAVE_OPTION_TABLE
 	select HAVE_ACPI_RESUME
+	select INTEL_GMA_HAVE_VBT
 	select MAINBOARD_HAS_CHROMEOS
 	select MAINBOARD_HAS_LIBGFXINIT
 	select MAINBOARD_HAS_LPC_TPM
@@ -46,6 +47,11 @@ config VGA_BIOS_FILE
 	string
 	default "pci8086,0406.rom"
 
+# Override the default variant behavior, since the data.vbt is the same
+# for all variants except tidus
+config INTEL_GMA_VBT_FILE
+	default "src/mainboard/$(MAINBOARDDIR)/data.vbt" if !BOARD_GOOGLE_TIDUS
+
 config MAINBOARD_SMBIOS_MANUFACTURER
 	string
 	default "GOOGLE"