[coreboot] Patch merged into coreboot/master: 6bf11cf libpayload: Use usb_debug() to show USB messages

the following patch was just integrated into master:
commit 6bf11cf50c2b682f8c09a53af774588123b250b6
Author: Dave Frodin 
Date:   Tue Dec 11 13:08:07 2012 -0700

libpayload: Use usb_debug() to show USB messages

Previously printf()'s were used to show USB messages
    which results in lots of USB information being shown
    when it isn't needed. This will now use the usb_debug()
    printing funtion that already exists in usb.h.

Change-Id: I2199814de3327417417eb2e26a660f4a5557cb9f
    Signed-off-by: Dave Frodin 
    Reviewed-on: http://review.coreboot.org/2044
    Tested-by: build bot (Jenkins)
    Reviewed-by: Anton Kochkov

Build-Tested: build bot (Jenkins) at Tue Dec 18 19:48:15 2012, giving +1
Reviewed-By: Anton Kochkov  at Tue Dec 18 19:59:22 2012, giving +2
See http://review.coreboot.org/2044 for details.

-gerrit