[coreboot] Patch merged into coreboot/master: 1eb5629 ACPI: Add function to write _PPC using NVS

the following patch was just integrated into master:
commit 1eb5629e24af2b52941848d57ae251565b5dc207
Author: Duncan Laurie 
Date:   Mon Jul 16 12:11:53 2012 -0700

ACPI: Add function to write _PPC using NVS

The existing NVS variable for PPCM will be used to
    select a dynamic max P-state.

By itself this does not change existing behavior because
    the NVS PPCM variable is initialized to zero.

PPCM can be tested by building and booting a modified BIOS
    that sets gnvs->ppcm to a value greater than 1 and checking
    from the OS that the P-state is limited to that value.

Change-Id: Ia7b3bbc6b84c1aa42349bb236abee5cc92486561
    Signed-off-by: Duncan Laurie

Build-Tested: build bot (Jenkins) at Wed Jul 25 03:40:26 2012, giving +1
Reviewed-By: Ronald G. Minnich  at Thu Jul 26 20:31:51 2012, giving +2
See http://review.coreboot.org/1341 for details.

-gerrit