brox: ish: Add Kconfigs for ISH

Modeled after the Rex Kconfigs for ISH.

Change-Id: Ic670d550a9aaad64e52489d895b8aac2aee4b5ed
Signed-off-by: Yuval Peress <peress@google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/81050
Reviewed-by: Karthik Ramasubramanian <kramasub@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
diff --git a/src/mainboard/google/brox/Kconfig b/src/mainboard/google/brox/Kconfig
index 660f50b..0c7a112 100644
--- a/src/mainboard/google/brox/Kconfig
+++ b/src/mainboard/google/brox/Kconfig
@@ -58,6 +58,11 @@
 	select BOARD_GOOGLE_BASEBOARD_BROX
 	select CHROMEOS_WIFI_SAR if CHROMEOS
 
+config BOARD_GOOGLE_BROX_EC_ISH
+	select BOARD_GOOGLE_BASEBOARD_BROX
+	select CHROMEOS_WIFI_SAR if CHROMEOS
+	select SOC_INTEL_STORE_ISH_FW_VERSION
+
 if BOARD_GOOGLE_BROX_COMMON
 
 config BASEBOARD_DIR
@@ -82,7 +87,7 @@
 
 config DRIVER_TPM_I2C_BUS
 	hex
-	default 0x4 if BOARD_GOOGLE_BROX
+	default 0x4 if BOARD_GOOGLE_BASEBOARD_BROX
 
 config DRIVER_TPM_I2C_ADDR
 	hex
@@ -106,10 +111,11 @@
 	default "Google_Brox" if BOARD_GOOGLE_BASEBOARD_BROX
 
 config MAINBOARD_PART_NUMBER
+	default "Brox_Ec_Ish" if BOARD_GOOGLE_BROX_EC_ISH
 	default "Brox" if BOARD_GOOGLE_BROX
 
 config VARIANT_DIR
-	default "brox" if BOARD_GOOGLE_BROX
+	default "brox" if BOARD_GOOGLE_BROX || BOARD_GOOGLE_BROX_EC_ISH
 
 config VBOOT
 	select VBOOT_LID_SWITCH