mb/google/skyrim: Set up FW_CONFIG

BUG=b:214415048
TEST=builds
BRANCH=none

Signed-off-by: Jon Murphy <jpmurphy@google.com>
Change-Id: Ida8d226f84726f2eb03b07618907b0ce3928bec5
Reviewed-on: https://review.coreboot.org/c/coreboot/+/62146
Reviewed-by: Karthik Ramasubramanian <kramasub@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

src/mainboard/google/skyrim/Kconfig

@@ -19,6 +19,7 @@ config BOARD_SPECIFIC_OPTIONS
 	select BOARD_ROMSIZE_KB_16384
 	select EC_GOOGLE_CHROMEEC
 	select EC_GOOGLE_CHROMEEC_ESPI
+	select FW_CONFIG
 	select MAINBOARD_HAS_CHROMEOS
 	select SOC_AMD_SABRINA
 

src/mainboard/google/skyrim/variants/skyrim/overridetree.cb

@@ -1,4 +1,8 @@
 # SPDX-License-Identifier: GPL-2.0-or-later
+fw_config
+	# TODO define when available
+end
+
 chip soc/amd/sabrina
 	device domain 0 on
 	end # domain