mb/google/corsola: Enable FW_CONFIG and FW_CONFIG_SOURCE_CHROMEEC_CBI

Enable FW_CONFIG for corsola so that the information can be passed to
payloads via coreboot tables.

BUG=b:157692450
TEST=emerge-corsola coreboot
BRANCH=none

Change-Id: I6c12041d3666907c884f5a50a12c1433c2085961
Signed-off-by: Yu-Ping Wu <yupingso@chromium.org>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/78905
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Hung-Te Lin <hungte@chromium.org>
Reviewed-by: Yidi Lin <yidilin@google.com>
diff --git a/src/mainboard/google/corsola/Kconfig b/src/mainboard/google/corsola/Kconfig
index c082e6f..805a83a 100644
--- a/src/mainboard/google/corsola/Kconfig
+++ b/src/mainboard/google/corsola/Kconfig
@@ -22,6 +22,8 @@
 	select MAINBOARD_HAS_NATIVE_VGA_INIT
 	select HAVE_LINEAR_FRAMEBUFFER
 	select RTC
+	select FW_CONFIG
+	select FW_CONFIG_SOURCE_CHROMEEC_CBI
 
 config BOARD_GOOGLE_KINGLER_COMMON
 	def_bool n