[coreboot] Patch merged into coreboot/master: c2e50ec Use fast memset in SMM mode, too

the following patch was just integrated into master:
commit c2e50ece4dec0fbfdc714b171530a658b8d8d13a
Author: Stefan Reinauer 
Date:   Fri Mar 30 16:28:20 2012 -0700

Use fast memset in SMM mode, too

... and always include IP checksumming in romstage.
    It's generally useful and our upcoming port needs it.

Change-Id: I248402d96a23e58354744e053b9d5cca6b74ad3a
    Signed-off-by: Stefan Reinauer

Build-Tested: build bot (Jenkins) at Sat Mar 31 03:15:28 2012, giving +1
See http://review.coreboot.org/827 for details.

-gerrit