AMD Merlin Falcon: Add northbridge files for new AMD processor

Tested on Bettong. Windows 7, Windows 8.1 and Ubuntu 14.04 can boot.

Change-Id: Ifcbfa0eab74875638a40e74ba2a3bb7c4fb02761
Signed-off-by: WANG Siyuan <wangsiyuanbuaa@gmail.com>
Signed-off-by: WANG Siyuan <SiYuan.Wang@amd.com>
Reviewed-on: http://review.coreboot.org/10419
Tested-by: build bot (Jenkins)
Reviewed-by: Marc Jones <marc.jones@se-eng.com>
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
12 files changed