Patch merged into coreboot/master: f24262d haswell: calibrate 24MHz clock against BCLK

the following patch was just integrated into master:
commit f24262d01822bd8634e44b5aab19dafe7e04ae72
Author: Aaron Durbin 
Date:   Wed Apr 10 14:59:21 2013 -0500

haswell: calibrate 24MHz clock against BCLK

On haswell ULT systems there is a 24MHz clock that continuously runs
    when deep package c-states are entered. The 100MHz BCLK is shut down
    in the lower c-states. When the package wakes back up a conversion
    formula needs to be applied. The 24MHz calibration is done using the
    internal PCODE unit.

Change-Id: I6be7702fb1de1429273724536f5af9125b98da64
    Signed-off-by: Aaron Durbin 
    Reviewed-on: https://gerrit.chromium.org/gerrit/48292
    Tested-by: Stefan Reinauer 
    Commit-Queue: Stefan Reinauer 
    Reviewed-on: http://review.coreboot.org/4136
    Tested-by: build bot (Jenkins)
    Reviewed-by: Alexandru Gagniuc

See http://review.coreboot.org/4136 for details.

-gerrit