mb/google/brya/var/zydron: Add WiFi SAR table

Add WiFi SAR table for zydron.

BUG=b:260770999
TEST=build FW and checked SAR table can load by WiFi driver.

Change-Id: I8d5f966c7af3ac6d9923d4f6c851bfb340f31fab
Signed-off-by: David Wu <david_wu@quanta.corp-partner.google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/70173
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Eric Lai <eric_lai@quanta.corp-partner.google.com>

src/mainboard/google/brya/Kconfig.name

@@ -294,6 +294,7 @@ config BOARD_GOOGLE_ZYDRON
 	select DRIVERS_I2C_NAU8825
 	select DRIVERS_INTEL_MIPI_CAMERA
 	select SOC_INTEL_COMMON_BLOCK_IPU
+	select CHROMEOS_WIFI_SAR if CHROMEOS
 
 config BOARD_GOOGLE_GLADIOS
 	bool "->  Gladios"

src/mainboard/google/brya/variants/zydron/variant.c

@@ -2,8 +2,14 @@
 
 #include <chip.h>
 #include <fw_config.h>
+#include <sar.h>
 #include <baseboard/variants.h>
 
+const char *get_wifi_sar_cbfs_filename(void)
+{
+	return "wifi_sar_0.hex";
+}
+
 void variant_update_soc_chip_config(struct soc_intel_alderlake_config *config)
 {
 	config->cnvi_bt_audio_offload = fw_config_probe(FW_CONFIG(AUDIO,