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

Add wifi sar table for craaskov

BUG=b:290739538
BRANCH=firmware-nissa-15217.B
TEST=emerge-nissa coreboot chromeos-bootimage

Change-Id: Ib21f674b6749e125bf76a196902c994bfac15e65
Signed-off-by: Jamie Chen <jamie_chen@compal.corp-partner.google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/76576
Reviewed-by: Eric Lai <eric_lai@quanta.corp-partner.google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

src/mainboard/google/brya/Kconfig.name

@@ -396,6 +396,7 @@ config BOARD_GOOGLE_GOTHRAX
 config BOARD_GOOGLE_CRAASKOV
 	bool "->  Craaskov"
 	select BOARD_GOOGLE_BASEBOARD_NISSA
+	select CHROMEOS_WIFI_SAR if CHROMEOS
 
 config BOARD_GOOGLE_PIRRHA
 	bool "->  Pirrha"

src/mainboard/google/brya/variants/craaskov/Makefile.inc

@@ -2,3 +2,4 @@
 bootblock-y += gpio.c
 
 ramstage-y += gpio.c
+ramstage-y += variant.c

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

@@ -0,0 +1,8 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#include <sar.h>
+
+const char *get_wifi_sar_cbfs_filename(void)
+{
+	return "wifi_sar_0.hex";
+}