Patch merged into coreboot/master: 291be8f libpayload: Add support for interrupt transfers in EHCI

the following patch was just integrated into master:
commit 291be8f0a7480943e53c60b44d139e21fc9147d1
Author: Nico Huber 
Date:   Fri May 25 10:09:13 2012 +0200

libpayload: Add support for interrupt transfers in EHCI

This adds support for usb interrupt transfers in the EHCI driver. Split
    transactions are supported, so this enables support for HID keyboards
    devices over hubs in high-speed mode.

Change-Id: I9eb08f12b12c67ece10814952cb8651278b02f9d
    Signed-off-by: Nico Huber

Build-Tested: build bot (Jenkins) at Thu May 31 19:57:36 2012, giving +1
Reviewed-By: Stefan Reinauer  at Thu Jun  7 23:16:23 2012, giving +2
See http://review.coreboot.org/1083 for details.

-gerrit