[coreboot] Patch merged into coreboot/master: 7542fc7 wtm2: Disable USB port 7 (SD card) due to hang

the following patch was just integrated into master:
commit 7542fc7dd267da8502f23ce89644dba8e9e703c5
Author: Duncan Laurie 
Date:   Thu Mar 14 14:59:10 2013 -0700

wtm2: Disable USB port 7 (SD card) due to hang

This is causing a hang in depthcharge.  For now just disable
    this port.

Change-Id: I87a6db2d8361588e82eee640c74cea690115bed5
    Signed-off-by: Duncan Laurie 
    Reviewed-on: http://review.coreboot.org/2764
    Tested-by: build bot (Jenkins)
    Reviewed-by: Paul Menzel 
    Reviewed-by: Ronald G. Minnich

Build-Tested: build bot (Jenkins) at Sat Mar 16 02:28:19 2013, giving +1
Reviewed-By: Ronald G. Minnich  at Mon Mar 18 20:46:20 2013, giving +2
See http://review.coreboot.org/2764 for details.

-gerrit