[S] Change in coreboot[main]: mb/google/brox: enable WIFI_SAR

[Shelley Chen (Code Review)]

Shelley Chen has submitted this change. ( https://review.coreboot.org/c/coreboot/+/80085?usp=email )

Change subject: mb/google/brox: enable WIFI_SAR
......................................................................

mb/google/brox: enable WIFI_SAR

Add get_wifi_sar_cbfs_filename().  This function uses the FW_CONFIG
for WIFI to choose the right wifi_sar hex file.  Below is the file
mapping:

wifi_sar_0.hex = wifi6
    wifi_sar_1.hex = wifi7

BUG=b:319302319
BRANCH=None
TEST=emerge-brox coreboot chromeos-bootimage

Change-Id: I212c80412141e7770a512bd8ccf4111963bab395
Signed-off-by: Shelley Chen 
Reviewed-on: https://review.coreboot.org/c/coreboot/+/80085
Reviewed-by: Nick Vaccaro 
Tested-by: build bot (Jenkins) 
---
M src/mainboard/google/brox/Kconfig
M src/mainboard/google/brox/variants/brox/variant.c
2 files changed, 9 insertions(+), 1 deletion(-)

Approvals:
  build bot (Jenkins): Verified
  Nick Vaccaro: Looks good to me, approved

diff --git a/src/mainboard/google/brox/Kconfig b/src/mainboard/google/brox/Kconfig
index 18a6575..e6d1f1e 100644
--- a/src/mainboard/google/brox/Kconfig
+++ b/src/mainboard/google/brox/Kconfig
@@ -53,6 +53,7 @@

config BOARD_GOOGLE_BROX
    select BOARD_GOOGLE_BASEBOARD_BROX
+	select CHROMEOS_WIFI_SAR if CHROMEOS

if BOARD_GOOGLE_BROX_COMMON

diff --git a/src/mainboard/google/brox/variants/brox/variant.c b/src/mainboard/google/brox/variants/brox/variant.c
index acb5b66..39162d5 100644
--- a/src/mainboard/google/brox/variants/brox/variant.c
+++ b/src/mainboard/google/brox/variants/brox/variant.c
@@ -1,9 +1,16 @@
 /* SPDX-License-Identifier: GPL-2.0-only */

+#include <assert.h>
+#include <baseboard/variants.h>
 #include <chip.h>
 #include <fw_config.h>
-#include <baseboard/variants.h>
+#include <sar.h>

void variant_update_soc_chip_config(struct soc_intel_alderlake_config *config)
 {
 }
+
+const char *get_wifi_sar_cbfs_filename(void)
+{
+	return get_wifi_sar_fw_config_filename(FW_CONFIG_FIELD(WIFI));
+}