Patch merged into coreboot/master: 023dbab usbdebug: Improve receive speed

the following patch was just integrated into master:
commit 023dbabc458b13441a54bcea7f3bc433c1dd7de2
Author: Kyösti Mälkki 
Date:   Wed Jan 15 22:26:03 2014 +0200

usbdebug: Improve receive speed

Read from USB endpoint_in 8 bytes at a time, the maximum what
    EHCI debug port capability has to offer.

Change-Id: I3d012d758a24b24f894e587b301f620933331407
    Signed-off-by: Kyösti Mälkki

See http://review.coreboot.org/4700 for details.

-gerrit