[coreboot-gerrit] Patch merged into coreboot/master: parade/ps8640: add delay to every loop when polling ps8640 ready

the following patch was just integrated into master:
commit 54aa89c7b4ea793f49f6cfe73e13b4ce71dd138f
Author: Jitao Shi 
Date:   Wed Aug 17 10:21:37 2016 +0800

parade/ps8640: add delay to every loop when polling ps8640 ready

Add delay before and in polling ps8640 ready to reduce the frequency
    of polling.

BUG=chrome-os-partner:54897
    BRANCH=none
    TEST=build pass elm and show ui

Change-Id: I43c833af910490e53496a343330a6a6af35623a9
    Signed-off-by: Martin Roth 
    Original-Commit-Id: bc8c3d6f7cf0b2da693a465cf3845e8bbc53825a
    Original-Change-Id: I5c725eed8110ff9f545c1142ca28bcff336b6860
    Original-Signed-off-by: Jitao Shi 
    Original-Reviewed-on: https://chromium-review.googlesource.com/371718
    Original-Commit-Ready: Nicolas Boichat 
    Original-Tested-by: jitao shi 
    Original-Reviewed-by: Julius Werner 
    Original-Reviewed-by: Daniel Kurtz 
    Reviewed-on: https://review.coreboot.org/16364
    Tested-by: build bot (Jenkins)
    Reviewed-by: Aaron Durbin

See https://review.coreboot.org/16364 for details.

-gerrit