[coreboot] Patch merged into coreboot/master: a7a0eb4 AMD S3: Add a document about S3 on AMD platform

the following patch was just integrated into master:
commit a7a0eb4a4817a34da3c8b9132079fab45b557529
Author: zbao 
Date:   Wed Aug 15 18:15:37 2012 +0800

AMD S3: Add a document about S3 on AMD platform

See the document. Need review. Everything should be in Authentic
    English.

Change-Id: Idc528b8c6b0d5afe08fc4f4387b7bff30698f677
    Signed-off-by: Zheng Bao 
    Signed-off-by: zbao

Build-Tested: build bot (Jenkins) at Wed Aug 15 10:54:46 2012, giving +1
Reviewed-By: Stefan Reinauer  at Wed Aug 15 23:19:50 2012, giving +2
See http://review.coreboot.org/1400 for details.

-gerrit