Bob: add bob in coreboot

Add bob in coreboot and update as necessary.
1. Add bob HWID
2. Add supported memory source

BUG=chrome-os-partner:59454
BRANCH=firmware-gru-8785.B
TEST=Build firmware passed

Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Change-Id: Iad03a293bdbbb89450f0fea0822e34a4be7064bf
Original-Commit-Id: bff788c71a43403bff2c23b38e69cc27fb869559
Original-Change-Id: I0dcf47eb911337b176f73759a2c70a9dbf4dc68b
Original-Signed-off-by: Shasha Zhao <Sarah_Zhao@asus.com>
Original-Reviewed-on: https://chromium-review.googlesource.com/411083
Original-Reviewed-by: Philip Chen <philipchen@chromium.org>
Original-(cherry picked from commit c5925dfcf59ac755a26182744b2bde59e41a37cf)
Original-Reviewed-on: https://chromium-review.googlesource.com/413744
Original-Reviewed-by: Julius Werner <jwerner@chromium.org>
Reviewed-on: https://review.coreboot.org/17678
Tested-by: build bot (Jenkins)
Reviewed-by: Martin Roth <martinroth@google.com>
diff --git a/src/mainboard/google/gru/Kconfig b/src/mainboard/google/gru/Kconfig
index f07bc82..7ebae8d 100644
--- a/src/mainboard/google/gru/Kconfig
+++ b/src/mainboard/google/gru/Kconfig
@@ -86,12 +86,14 @@
 ##########################################################
 config MAINBOARD_PART_NUMBER
 	string
+	default "Bob" if BOARD_GOOGLE_BOB
 	default "Gru" if BOARD_GOOGLE_GRU
 	default "Kevin" if BOARD_GOOGLE_KEVIN
 
 config GBB_HWID
 	string
 	depends on CHROMEOS
+	default "BOB TEST 7422" if BOARD_GOOGLE_BOB
 	default "GRU TEST 5431" if BOARD_GOOGLE_GRU
 	default "KEVIN TEST 1422" if BOARD_GOOGLE_KEVIN