[coreboot] Patch merged into coreboot/master: 97678d2 Build warning fix for AMD Family 12

the following patch was just integrated into master:
commit 97678d28e7833d98b9c1e40e0d5d579b66981136
Author: efdesign98 
Date:   Thu Sep 15 11:24:29 2011 -0600

Build warning fix for AMD Family 12

This trivial change adds a prototype to an existing
    header file to fix a build warning for the AMD family
    12 cpus.

Change-Id: Ic666bfbef867d17607eaa0f59570aea987a31f93
    Signed-off-by: Frank Vibrans 
    Signed-off-by: efdesign98

See http://review.coreboot.org/218 for details.

-gerrit