mb/google/nissa/var/glassway: Enable Wi-Fi sar table for Intel module

1.Enable CHROMEOS_WIFI_SAR flag to load a SAR table for Intel module.

2.Describe the FW_CONFIG probe for the settings on glassway.
- WIFI_SAR_0 for Intel Wi-Fi module AX211

BUG=336051631
BRANCH=firmware-nissa-15217.B
TEST=emerge-nissa coreboot chromeos-bootimage

Change-Id: I9e43081c93ef17291c5d55cf262a0f4d1497447b
Signed-off-by: Daniel_Peng <Daniel_Peng@pegatron.corp-partner.google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/81781
Reviewed-by: Daniel Peng <daniel_peng@pegatron.corp-partner.google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Eric Lai <ericllai@google.com>
diff --git a/src/mainboard/google/brya/Kconfig b/src/mainboard/google/brya/Kconfig
index 1e10d40..66839d1 100644
--- a/src/mainboard/google/brya/Kconfig
+++ b/src/mainboard/google/brya/Kconfig
@@ -262,6 +262,7 @@
 	select DRIVERS_GENERIC_GPIO_KEYS
 	select DRIVERS_GENESYSLOGIC_GL9750
 	select EC_GOOGLE_CHROMEEC_INCLUDE_SSFC_IN_FW_CONFIG
+	select CHROMEOS_WIFI_SAR if CHROMEOS
 
 config BOARD_GOOGLE_GOTHRAX
 	select BOARD_GOOGLE_BASEBOARD_NISSA