Patch merged into coreboot/master: google/oak: Move external buck initialization to coreboot

the following patch was just integrated into master:
commit 316ded82f5f9b51333e96cd1d002e60a6c8ce8c7
Author: henryc.chen 
Date:   Fri Mar 11 14:55:30 2016 +0800

google/oak: Move external buck initialization to coreboot

Remove the code which is passing parameters to ARMTF and move external
    buck initilizaton from ARMTF to coreboot.

BRANCH=none
    BUG=none
    TEST=verified on Oak rev4/rev5

Change-Id: I4f4b30acbee9b42a202b326f2fe4517cb4b9d83c
    Signed-off-by: Patrick Georgi 
    Original-Commit-Id: 37bec54b4d8a3bce38878e292e4821da3959026a
    Original-Change-Id: Ib81709812a064f6daf13c9b4d6525f1858c81393
    Original-Signed-off-by: henryc.chen 
    Original-Reviewed-on: https://chromium-review.googlesource.com/332343
    Original-Commit-Ready: Yidi Lin 
    Original-Tested-by: Yidi Lin 
    Original-Reviewed-by: Julius Werner 
    Reviewed-on: https://review.coreboot.org/14123
    Tested-by: build bot (Jenkins)
    Reviewed-by: Stefan Reinauer

See https://review.coreboot.org/14123 for details.

-gerrit