Patch merged into coreboot/master: mediatek/mt8173: detect sdram size at runtime

the following patch was just integrated into master:
commit c6d7dcc832521ad6e5d90ad82af384ec3d24aa09
Author: Yidi Lin 
Date:   Thu Feb 4 17:26:48 2016 +0800

mediatek/mt8173: detect sdram size at runtime

Remove DRAM_SIZE_MB Kconfig setting and use sdram_size_mb() to detect
    the DRAM size at runtime.

BUG=chrome-os-partner:49427
    BRANCH=none
    TEST=Boot to kernel

Change-Id: I0c3245db73335fb4f1c89c1debde715fc96ecba7
    Signed-off-by: Patrick Georgi 
    Original-Commit-Id: 00f6f2bbed0e7d23181337b9274191b31e73e223
    Original-Change-Id: I409163fe527e966c184f28d7d9bbc809ae2308ed
    Original-Signed-off-by: PH Hsu 
    Original-Signed-off-by: Yidi Lin 
    Original-Reviewed-on: https://chromium-review.googlesource.com/327961
    Original-Reviewed-by: Julius Werner 
    Original-Reviewed-on: https://chromium-review.googlesource.com/331176
    Original-Commit-Ready: Patrick Georgi 
    Original-Tested-by: Patrick Georgi 
    Reviewed-on: https://review.coreboot.org/13988
    Tested-by: build bot (Jenkins)
    Reviewed-by: Stefan Reinauer

See https://review.coreboot.org/13988 for details.

-gerrit