Patch merged into coreboot/master: 20557c2 ryu: add support for p4 boards

the following patch was just integrated into master:
commit 20557c28ceb0117e4a5ae57b043e5e3edd385162
Author: David Riley 
Date:   Tue Feb 17 15:28:10 2015 -0800

ryu: add support for p4 boards

BUG=none
    BRANCH=none
    TEST=P4 board boots and selects correct dts file

Change-Id: Icdfdef9b82bd53413e45713f9ceef2e0c2be16a8
    Signed-off-by: Patrick Georgi 
    Original-Commit-Id: 0674037b1f00845ffcd129cb54571f185b42af40
    Original-Change-Id: If14e2586c4ef5b44af1754b3f06126b79473798b
    Original-Signed-off-by: David Riley 
    Original-Reviewed-on: https://chromium-review.googlesource.com/250634
    Original-Reviewed-by: Furquan Shaikh 
    Reviewed-on: http://review.coreboot.org/9760
    Tested-by: build bot (Jenkins)
    Reviewed-by: Stefan Reinauer

See http://review.coreboot.org/9760 for details.

-gerrit