Patch merged into coreboot/master: d2df4e4 libpayload: Don't try to free individual xhci device slots

the following patch was just integrated into master:
commit d2df4e4d0f5e7ca657d07aee84b5292d13161763
Author: Patrick Georgi 
Date:   Sun Feb 22 22:50:32 2015 +0100

libpayload: Don't try to free individual xhci device slots

`di` points to a single item in xhci->dev[], which is malloc'd
    collectively. Trying to free() leads to pain.

Change-Id: Ibd99eda905d43cbf2d2c111dfd0186ed6b119329
    Signed-off-by: Patrick Georgi 
    Found-by: Coverity Scan
    Reviewed-on: http://review.coreboot.org/8515
    Reviewed-by: Paul Menzel 
    Tested-by: build bot (Jenkins)
    Reviewed-by: Stefan Reinauer

See http://review.coreboot.org/8515 for details.

-gerrit