[coreboot] Patch merged into coreboot/master: 2f51d92 libpayload: Add timeouts in the EHCI USB driver

the following patch was just integrated into master:
commit 2f51d9239824baaac28029b5cabb69f1cad06236
Author: Nico Huber 
Date:   Mon May 21 14:53:43 2012 +0200

libpayload: Add timeouts in the EHCI USB driver

We should always have some timeout when we wait for the hardware. This adds
    missing timeouts to the EHCI driver.

Change-Id: I13ba532a6daf47510b16b8fdbe572a21f1d8b09c
    Signed-off-by: Nico Huber

Build-Tested: build bot (Jenkins) at Thu May 31 18:07:02 2012, giving +1
Reviewed-By: Stefan Reinauer  at Fri Jun  8 00:00:56 2012, giving +2
See http://review.coreboot.org/1077 for details.

-gerrit