Patch merged into coreboot/master: commonlib: move DIV_ROUND macros from nvidia/tegra

the following patch was just integrated into master:
commit 29fc9bb855cb878aee263cd1fe110e3bb3e98c80
Author: Arthur Heymans 
Date:   Fri Sep 2 23:14:54 2016 +0200

commonlib: move DIV_ROUND macros from nvidia/tegra

DIV_ROUND_CLOSEST and DIV_ROUND_UP are useful macros for other
    architectures. This patch moves them from soc/nvidia/tegra/types.h
    to commonlib/include/commonlib/helpers.h .

Change-Id: I54521d9b197934cef8e352f9a5c4823015d85f01
    Signed-off-by: Arthur Heymans 
    Reviewed-on: https://review.coreboot.org/16415
    Tested-by: build bot (Jenkins)
    Reviewed-by: Aaron Durbin

See https://review.coreboot.org/16415 for details.

-gerrit