mb/google/octopus: Enable SAR config for Intel 9560 module

Enable the GEO SAR feature for Octopus. Program wifi_sar VPD key.
coreboot reads the VPD and creates the ACPI table as per the WGDS spec.

BUG=b:112288077
TEST=Program VPD key, extract acpi table ssdt and valiate WGDS entry.

Change-Id: I40a6fd9e0ec8b440996bf3389322fd89bcca15a4
Signed-off-by: John Zhao <john.zhao@intel.com>
Reviewed-on: https://review.coreboot.org/27966
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>

src/mainboard/google/octopus/Kconfig

@@ -20,6 +20,14 @@ config BOARD_GOOGLE_BASEBOARD_OCTOPUS
 
 if BOARD_GOOGLE_BASEBOARD_OCTOPUS
 
+config CHROMEOS_WIFI_SAR
+	bool
+	default y if CHROMEOS
+	select DSAR_ENABLE
+	select SAR_ENABLE
+	select USE_SAR
+	select GEO_SAR_ENABLE
+
 config BASEBOARD_OCTOPUS_LAPTOP
 	def_bool n
 	select SYSTEM_TYPE_LAPTOP