mainboard/*/Kconfig: Set GBB_HWID where missing

Provide GBB's hardware ID (used on Chrome OS devices) because it will be
dropped from depthcharge.

BRANCH=none
BUG=none
TEST=none

Change-Id: I7488533b83b8119f8c85cbf2c2eeddabb8e9487d
Signed-off-by: Patrick Georgi <pgeorgi@google.com>
Reviewed-on: https://chromium-review.googlesource.com/372579
Commit-Ready: Patrick Georgi <pgeorgi@chromium.org>
Tested-by: Patrick Georgi <pgeorgi@chromium.org>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>

src/mainboard/google/gale/Kconfig

@@ -49,6 +49,11 @@ config MAINBOARD_PART_NUMBER
 	default "DK01" if BOARD_VARIANT_DK01
 	default "Gale"
 
+config GBB_HWID
+	string
+	depends on CHROMEOS
+	default "Gale TEST 1"
+
 config DRAM_SIZE_MB
 	int
 	default 512 if BOARD_VARIANT_DK01

src/mainboard/google/reef/Kconfig

@@ -36,6 +36,11 @@ config MAINBOARD_FAMILY
 	string
 	default "Google_Reef"
 
+config GBB_HWID
+	string
+	depends on CHROMEOS
+	default "REEF TEST 3240"
+
 config MAX_CPUS
 	int
 	default 8

src/mainboard/intel/amenia/Kconfig

@@ -36,6 +36,11 @@ config MAINBOARD_VENDOR
 	string
 	default "Intel"
 
+config GBB_HWID
+	string
+	depends on CHROMEOS
+	default "AMENIA TEST"
+
 config FMAP_FILE
 	string
 	default "amenia"