Patch merged into coreboot/master: 5cd8eeb CTDP: Only do TDP down/nominal change from TNP0

the following patch was just integrated into master:
commit 5cd8eeb6fe2e2415794a551383afc68465a677a8
Author: Duncan Laurie 
Date:   Wed Jul 18 15:33:45 2012 -0700

CTDP: Only do TDP down/nominal change from TNP0

Otherwise there is a flurry of TDP changes with suspend/resume
    as the kernel powers devices off on suspend and brings them
    back online in resume.

This also adds a mutex around the TDP operations since it is
    split across two methods and can't just rely on being Serialized.

Change-Id: I7757d3ddad34ac985a9c8ce2fc202e2b2dcb2527
    Signed-off-by: Duncan Laurie

Build-Tested: build bot (Jenkins) at Thu Jul 26 21:09:24 2012, giving +1
Reviewed-By: Stefan Reinauer  at Thu Jul 26 21:12:31 2012, giving +2
See http://review.coreboot.org/1348 for details.

-gerrit