[coreboot] Patch merged into coreboot/master: 31dc0ac Google/Snow: enable sound hardware clocks

the following patch was just integrated into master:
commit 31dc0acd9b8c3e5d30aa4e64ab1f24fac84bac1a
Author: Ronald G. Minnich 
Date:   Wed Mar 6 08:50:50 2013 -0800

Google/Snow: enable sound hardware clocks

Set up the clocks used for sound and turn on the sound clock.

Change-Id: Ic59bfa9ae87116299503e6d25aeefba98c842fb8
    Signed-off-by: Gabe Black 
    Signed-off-by: Ronald G. Minnich 
    Reviewed-on: http://review.coreboot.org/2587
    Tested-by: build bot (Jenkins)
    Reviewed-by: David Hendricks

Build-Tested: build bot (Jenkins) at Wed Mar  6 18:01:59 2013, giving +1
Reviewed-By: David Hendricks  at Wed Mar  6 22:02:48 2013, giving +2
See http://review.coreboot.org/2587 for details.

-gerrit