mb/google/skyrim: CONFIG_CHROMEOS

BUG=b:214415401
TEST=builds
BRANCH=none

Signed-off-by: Jon Murphy <jpmurphy@google.com>
Change-Id: I045f76c366a1a72814536a2be984b7ad5a438a5a
Reviewed-on: https://review.coreboot.org/c/coreboot/+/62043
Reviewed-by: Karthik Ramasubramanian <kramasub@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

src/mainboard/google/skyrim/Kconfig

@@ -14,6 +14,7 @@ config AMD_FWM_POSITION_INDEX
 config BOARD_SPECIFIC_OPTIONS
 	def_bool y
 	select BOARD_ROMSIZE_KB_16384
+	select MAINBOARD_HAS_CHROMEOS
 	select SOC_AMD_SABRINA
 
 config DEVICETREE
@@ -32,4 +33,9 @@ config MAINBOARD_FAMILY
 config MAINBOARD_PART_NUMBER
 	default "Skyrim" if BOARD_GOOGLE_SKYRIM
 
+config VBOOT
+	select VBOOT_NO_BOARD_SUPPORT
+	select VBOOT_SEPARATE_VERSTAGE
+	select VBOOT_STARTS_IN_BOOTBLOCK
+
 endif # BOARD_GOOGLE_BASEBOARD_SKYRIM