Patch merged into coreboot/master: b821c90 usbdebug: Move under drivers/usb

the following patch was just integrated into master:
commit b821c9068f8ad2942be5ec72fa8de1bb23437bcc
Author: Kyösti Mälkki 
Date:   Wed Feb 5 13:02:55 2014 +0200

usbdebug: Move under drivers/usb

Also relocate and split header files, there is some interest
    for EHCI debug support without PCI.

Change-Id: Ibe91730eb72dfe0634fb38bdd184043495e2fb08
    Signed-off-by: Kyösti Mälkki

See http://review.coreboot.org/5129 for details.

-gerrit