Patch merged into coreboot/master: 7f88aa1 SMM: Add udelay on Sandybridge systems

the following patch was just integrated into master:
commit 7f88aa1f2b39f0486f6cbee69df2cff0def4fee9
Author: Stefan Reinauer 
Date:   Fri Apr 27 01:05:11 2012 +0200

SMM: Add udelay on Sandybridge systems

Cougar Point southbridge does udelay in SMM, hence add it on Sandybridge
    systems.

Change-Id: I6e5520ca27e7c6eaae632992fb68612067bc1e30
    Signed-off-by: Stefan Reinauer

Build-Tested: build bot (Jenkins) at Fri Apr 27 03:32:57 2012, giving +1
See http://review.coreboot.org/937 for details.

-gerrit