mb/google/nissa/var/pujjoga: Add wifi sar table

Add AX211 and AX203 wifi sar table for pujjoga wifi sar config.
Use fw_config to separate different wifi card settings.

WIFI_SAR_TABLE_AX211:	0
WIFI_SAR_TABLE_AX203:	1

BUG=b:336167281
Test=emerge-nissa coreboot

Change-Id: If0f542cb13e93e99960bf65d616b26cee7617a43
Signed-off-by: Leo Chou <leo.chou@lcfc.corp-partner.google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/82702
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Eric Lai <ericllai@google.com>
Reviewed-by: Paul Menzel <paulepanter@mailbox.org>

src/mainboard/google/brya/Kconfig

@@ -418,6 +418,7 @@ config BOARD_GOOGLE_SUNDANCE
 config BOARD_GOOGLE_PUJJOGA
 	select BOARD_GOOGLE_BASEBOARD_NISSA
 	select DRIVERS_GENERIC_GPIO_KEYS
+	select CHROMEOS_WIFI_SAR if CHROMEOS
 
 config BOARD_GOOGLE_QUANDISO
 	select BOARD_GOOGLE_BASEBOARD_NISSA

src/mainboard/google/brya/variants/pujjoga/Makefile.mk

@@ -4,4 +4,5 @@ bootblock-y += gpio.c
 romstage-y += gpio.c
 
 ramstage-$(CONFIG_FW_CONFIG) += fw_config.c
+ramstage-y += variant.c
 ramstage-y += gpio.c

src/mainboard/google/brya/variants/pujjoga/overridetree.cb

@@ -4,6 +4,10 @@ fw_config
 		option LTE_PRESENT		1
 		option 5G_PRESENT		2
 	end
+	field WIFI_SAR_ID 13 16
+		option WIFI_SAR_TABLE_AX211	0
+		option WIFI_SAR_TABLE_AX203	1
+	end
 end
 
 chip soc/intel/alderlake

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

@@ -0,0 +1,9 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+
+#include <fw_config.h>
+#include <sar.h>
+
+const char *get_wifi_sar_cbfs_filename(void)
+{
+	return get_wifi_sar_fw_config_filename(FW_CONFIG_FIELD(WIFI_SAR_ID));
+}