Patch merged into coreboot/master: rockchip: gru: enable eDP display

the following patch was just integrated into master:
commit b497b48027c592d3ad6fcfefe6c742fc78e371cb
Author: Lin Huang 
Date:   Thu Mar 31 18:44:13 2016 +0800

rockchip: gru: enable eDP display

This patch enables eDP display by:
    o. setting HPD pinmux, backlight, vdd for eDP
    o. setting vop mode
    o. enabling VGA configs for edid

BRANCH=none
    BUG=chrome-os-partner:51537
    TEST=The dev screen is shown on kevin board

Change-Id: If8b07307454daa88727d317cc208d6c97de07ad7
    Signed-off-by: Martin Roth 
    Original-Commit-Id: b1ad9337510f5437f691153dc68883edf273e4c7
    Original-Change-Id: Id7006619b5be638b286a5402d892a5361ac1e430
    Original-Signed-off-by: Vadim Bendebury 
    Original-Reviewed-on: https://chromium-review.googlesource.com/340026
    Original-Reviewed-by: Shunqian Zheng 
    Reviewed-on: https://review.coreboot.org/14858
    Tested-by: build bot (Jenkins)
    Reviewed-by: Furquan Shaikh

See https://review.coreboot.org/14858 for details.

-gerrit