[coreboot] Patch merged into coreboot/master: b4a40ce AMD family15tn: Add BIOS callback hook for getting VBIOS Image

the following patch was just integrated into master:
commit b4a40ce9ff8b73f485723ba87553bbe63f260e77
Author: zbao 
Date:   Tue Jul 24 17:59:43 2012 +0800

AMD family15tn: Add BIOS callback hook for getting VBIOS Image

This is for GfxInitSview(GnbSview.c). It would create warning message if it
    could not get VBIOS image.

Change-Id: I3b2726f612b4b7a237644a4b63b56efad52b7ab5
    Signed-off-by: Zheng Bao 
    Signed-off-by: zbao

Build-Tested: build bot (Jenkins) at Wed Jul 25 06:16:13 2012, giving +1
Reviewed-By: Ronald G. Minnich  at Wed Jul 25 22:22:08 2012, giving +2
See http://review.coreboot.org/1351 for details.

-gerrit