Patch merged into coreboot/master: 97ae5bd usbdebug: Fix data toggle on receive

the following patch was just integrated into master:
commit 97ae5bd0e871cb5af7957336973144f9b73b0de3
Author: Kyösti Mälkki 
Date:   Tue Jan 21 10:44:08 2014 +0200

usbdebug: Fix data toggle on receive

USB device end toggles data PID when we ACK'd the zero-length data
    packet. As USB host we need to toggle data PID too or the next data
    received would get discarded.

Change-Id: I3203bc874c7ded9244c7548a666d7041a0fbb379
    Signed-off-by: Kyösti Mälkki

See http://review.coreboot.org/4775 for details.

-gerrit