Patch merged into coreboot/master: 572795b lenovo/t420s: Add new port.

the following patch was just integrated into master:
commit 572795bf0877627e77526fe505ad6e6158093fbc
Author: Nicolas Reinecke 
Date:   Mon Dec 29 19:57:29 2014 +0100

lenovo/t420s: Add new port.

This is based on x220 and t520. Tested on i7 model with usb3.
    There is no support for nvidia gpu and optimus.

Change-Id: I6ca9436ccec3024095d02078e5e450147841e463
    Signed-off-by: Nicolas Reinecke 
    Reviewed-on: http://review.coreboot.org/7974
    Reviewed-by: Ronald G. Minnich 
    Tested-by: build bot (Jenkins)
    Reviewed-by: Philipp Deppenwiese 
    Reviewed-by: Peter Stuge

See http://review.coreboot.org/7974 for details.

-gerrit