mb/google/dedede/var/kracko: Add Wifi SAR for kracko

Add wifi sar for kracko

BUG=b:194460420
TEST=emerge-dedede coreboot-private-files-baseboard-dedede coreboot chromeos-bootimage

Change-Id: I83bca544c9f71142f95ea1137f732c182b3f29b7
Signed-off-by: Robert Chen <robert.chen@quanta.corp-partner.google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/58522
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Henry Sun <henrysun@google.com>
Reviewed-by: Karthik Ramasubramanian <kramasub@google.com>
Reviewed-by: Shou-Chieh Hsu <shouchieh@google.com>
Reviewed-by: Kevin Chiu <kevin.chiu.17802@gmail.com>

src/mainboard/google/dedede/Kconfig.name

@@ -114,6 +114,7 @@ config BOARD_GOOGLE_KRACKO
 	select BOARD_GOOGLE_BASEBOARD_DEDEDE_CR50
 	select BASEBOARD_DEDEDE_LAPTOP
 	select DRIVERS_GENERIC_MAX98357A
+	select GEO_SAR_ENABLE if CHROMEOS_WIFI_SAR
 
 config BOARD_GOOGLE_BLIPPER
 	bool "->  Blipper"

src/mainboard/google/dedede/variants/kracko/Makefile.inc

@@ -1,5 +1,7 @@
 ## SPDX-License-Identifier: GPL-2.0-or-later
 
+ramstage-y += variant.c
+
 ramstage-y += gpio.c
 
 smm-y += variant.c

src/mainboard/google/dedede/variants/kracko/variant.c

@@ -4,6 +4,13 @@
 #include <baseboard/variants.h>
 #include <delay.h>
 #include <gpio.h>
+#include <sar.h>
+
+const char *get_wifi_sar_cbfs_filename(void)
+{
+	return "wifi_sar-kracko.hex";
+}
+
 
 static void power_off_lte_module(void)
 {