google/wizpig: add new board as variant of cyan baseboard

Add support for google/wizpig (white label Chromebook) as
a variant of the cyan Braswell baseboard.

- Add board-specific code as the new wizpig variant
- Add new shared SPD file to the baseboard

Sourced from Chromium branch firmware-strago-7287.B,
commit 02dc8db: Banon: 2nd source DDR memory (Micro-MT52L256M32D1PF)

Change-Id: I424d2256eb79ca3ea0a62620954c57c09ae0c0b2
Signed-off-by: Matt DeVillier <matt.devillier@gmail.com>
Reviewed-on: https://review.coreboot.org/21577
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Martin Roth <martinroth@google.com>
diff --git a/src/mainboard/google/cyan/Kconfig b/src/mainboard/google/cyan/Kconfig
index cf5b8e9..0ecb317 100644
--- a/src/mainboard/google/cyan/Kconfig
+++ b/src/mainboard/google/cyan/Kconfig
@@ -52,6 +52,7 @@
 	default "setzer" if BOARD_GOOGLE_SETZER
 	default "terra" if BOARD_GOOGLE_TERRA
 	default "ultima" if BOARD_GOOGLE_ULTIMA
+	default "wizpig" if BOARD_GOOGLE_WIZPIG
 
 config MAINBOARD_PART_NUMBER
 	string
@@ -65,6 +66,7 @@
 	default "Setzer" if BOARD_GOOGLE_SETZER
 	default "Terra" if BOARD_GOOGLE_TERRA
 	default "Ultima" if BOARD_GOOGLE_ULTIMA
+	default "Wizpig" if BOARD_GOOGLE_WIZPIG
 
 config MAINBOARD_VENDOR
 	string
@@ -82,6 +84,8 @@
 	default "variants/setzer/devicetree.cb" if BOARD_GOOGLE_SETZER
 	default "variants/terra/devicetree.cb" if BOARD_GOOGLE_TERRA
 	default "variants/ultima/devicetree.cb" if BOARD_GOOGLE_ULTIMA
+	default "variants/wizpig/devicetree.cb" if BOARD_GOOGLE_WIZPIG
+
 
 config VGA_BIOS_FILE
 	string
@@ -113,5 +117,6 @@
 	default "SETZER TEST A-A 8721" if BOARD_GOOGLE_SETZER
 	default "TERRA TEST A-A 1650" if BOARD_GOOGLE_TERRA
 	default "ULTIMA TEST A-A 6017" if BOARD_GOOGLE_ULTIMA
+	default "WIZPIG TEST A-A 0597" if BOARD_GOOGLE_WIZPIG
 
 endif # BOARD_GOOGLE_BASEBOARD_CYAN