mb/google/volteer: add VBTs for lindar variant

Add VBT data files, ensure secondary VBTs compiled in as needed,
select INTEL_GMA_HAVE_VBT.

TEST=build/boot lindar variant with FSP/GOP display init, edk2 payload

Change-Id: I81022670fabda7994e292d333c999b508e61b469
Signed-off-by: Matt DeVillier <matt.devillier@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/68465
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Tim Wawrzynczak <inforichland@gmail.com>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>

src/mainboard/google/volteer/Kconfig

@@ -55,6 +55,7 @@ config BOARD_GOOGLE_LINDAR
 	select DRIVERS_GENERIC_BAYHUB_LV2
 	select DRIVERS_I2C_RT1011
 	select INTEL_CAR_NEM
+	select INTEL_GMA_HAVE_VBT
 
 config BOARD_GOOGLE_MALEFOR
 	select BOARD_GOOGLE_BASEBOARD_VOLTEER

src/mainboard/google/volteer/variants/lindar/Makefile.inc

@@ -7,3 +7,5 @@ romstage-y += memory.c
 ramstage-y += gpio.c
 
 ramstage-$(CONFIG_FW_CONFIG) += variant.c
+
+$(call add_vbt_to_cbfs, vbt-oled.bin, data-oled.vbt)