mb/google/zork: Enable WiFi SAR configs

BUG=b:159304570
BRANCH=master
TEST=1. cros-workon-zork start coreboot-private-files-zork
     2. emerge-zork chromeos-config coreboot-private-files-zork \
        coreboot chromeos-bootimage

Change-Id: Ibf1cca8a039e37acbbd9f97ee6a35414ceb3ca6e
Signed-off-by: Kevin Chiu <kevin.chiu@quantatw.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/44634
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-by: Furquan Shaikh <furquan@google.com>

src/mainboard/google/zork/Kconfig

@@ -257,4 +257,12 @@ config EFS_SPI_MICRON_FLAG
 	int
 	default 0
 
+config CHROMEOS_WIFI_SAR
+	bool
+	default y if CHROMEOS
+	select DSAR_ENABLE
+	select SAR_ENABLE
+	select USE_SAR
+	select GEO_SAR_ENABLE
+
 endif # BOARD_GOOGLE_BASEBOARD_TREMBYLE || BOARD_GOOGLE_BASEBOARD_DALBOZ