Patch merged into coreboot/master: dcccbd1 usbdebug: Fix control messages

the following patch was just integrated into master:
commit dcccbd13966379eeaee79b08db0d58d024536ae8
Author: Kyösti Mälkki 
Date:   Sat Aug 10 10:08:38 2013 +0300

usbdebug: Fix control messages

Add support for control messages with a write of data stage.

Add status stage after a read of non-zero length data stage.

Do not retry control message if device responds with STALL.

Change-Id: I16fb9ae39630b975af5461b63d050b9adaccef0f
    Signed-off-by: Kyösti Mälkki 
    Reviewed-on: http://review.coreboot.org/3867
    Tested-by: build bot (Jenkins)
    Reviewed-by: Aaron Durbin

See http://review.coreboot.org/3867 for details.

-gerrit