[coreboot] Patch merged into coreboot/master: b2db28b libpayload: Detach devices behind removed USB hubs

the following patch was just integrated into master:
commit b2db28babe0e64e08b1a754b65dd7e437f8d82a9
Author: Nico Huber 
Date:   Thu Nov 22 11:18:19 2012 +0100

libpayload: Detach devices behind removed USB hubs

When a USB hub got removed, we should also remove all devices that
    were attached to it.

Change-Id: I73c0da1b7570f1af9726925ca222781b3d752557
    Signed-off-by: Nico Huber 
    Reviewed-on: http://review.coreboot.org/1903
    Reviewed-by: Patrick Georgi 
    Tested-by: build bot (Jenkins)

Reviewed-By: Patrick Georgi  at Fri Nov 23 15:20:50 2012, giving +2
See http://review.coreboot.org/1903 for details.

-gerrit