Patch merged into coreboot/master: mediatek/mt8173: Enable 4GB mode

the following patch was just integrated into master:
commit 3693d0f94b7ed1fc7ffe131af87622a18630ad28
Author: PH Hsu 
Date:   Wed Dec 16 13:48:10 2015 +0800

mediatek/mt8173: Enable 4GB mode

If the system is using 4GB of memory, enable 4GB mode in
    the memory controller.

Change-Id: I4d0f8ad8d43ff45dd786f4244b11c0879d2088cd
    Signed-off-by: Patrick Georgi 
    Original-Commit-Id: 94c8b7ad911c93c4325113e7afc009f2f81d2275
    Original-Change-Id: Ia3640882a46e695550e679dc70611855b64a560f
    Original-Signed-off-by: PH Hsu 
    Original-Reviewed-on: https://chromium-review.googlesource.com/331811
    Original-Commit-Ready: Yidi Lin 
    Original-Tested-by: Yidi Lin 
    Original-Reviewed-by: Julius Werner 
    Reviewed-on: https://review.coreboot.org/14088
    Tested-by: build bot (Jenkins)
    Reviewed-by: Martin Roth

See https://review.coreboot.org/14088 for details.

-gerrit