Patch merged into coreboot/master: e29584c usbdebug: Use separate data toggle for each pipe

the following patch was just integrated into master:
commit e29584c1410e27db86df6fb4b5dcf5c1c00d6f68
Author: Kyösti Mälkki 
Date:   Sat Aug 10 10:50:38 2013 +0300

usbdebug: Use separate data toggle for each pipe

USB defines a mechanism to detect certain cases of lost handshakes
    using an alternating data sequence number, referred to as data
    toggling. This patch fixes each pipe to have its own tracking of
    the data toggle state.

Change-Id: I62420bdaeadd0842da3189428a37eeb10c646900
    Signed-off-by: Kyösti Mälkki 
    Reviewed-on: http://review.coreboot.org/3865
    Tested-by: build bot (Jenkins)
    Reviewed-by: Aaron Durbin

See http://review.coreboot.org/3865 for details.

-gerrit