mb/google/kukui: Enable config for coreboot display

BUG=b:80501386,b:117254947
BRANCH=none
TEST=Boots correctly on Kukui

Change-Id: I478e06686158dd77b075bcef8a41763ae26c79f9
Signed-off-by: Yongqiang Niu <yongqiang.niu@mediatek.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/31521
Reviewed-by: Hung-Te Lin <hungte@chromium.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

src/mainboard/google/kukui/Kconfig

@@ -38,6 +38,9 @@ config BOARD_SPECIFIC_OPTIONS
 	select EC_GOOGLE_CHROMEEC_SPI
 	select MAINBOARD_HAS_SPI_TPM_CR50 if VBOOT
 	select MAINBOARD_HAS_TPM2 if VBOOT
+	select MAINBOARD_HAS_NATIVE_VGA_INIT
+	select MAINBOARD_FORCE_NATIVE_VGA_INIT
+	select HAVE_LINEAR_FRAMEBUFFER
 
 config MAINBOARD_DIR
 	string