Patch merged into coreboot/master: intel/skylake: mask off txstate before setting new gpio value

the following patch was just integrated into master:
commit 162aee9a5dd5c03c519b3a3542ba2eca0ee43c92
Author: Aaron Durbin 
Date:   Wed Aug 19 21:07:14 2015 -0500

intel/skylake: mask off txstate before setting new gpio value

The previously driven TX state of the buffer was not
    being cleared before or'ing in the new value. Fix this
    oversight.

BUG=chrome-os-partner:43522
    BRANCH=None
    TEST=Built and booted glados. Also dumped assembly and saw the
         masking happen.

Change-Id: I74ea469564d37d6b29e9481b0ea704f04f54ac30
    Signed-off-by: Patrick Georgi 
    Original-Commit-Id: d399e8b32b30b8b2275bb6ff8dd24f7d5cfeadda
    Original-Change-Id: I341b396af5de20ffeeb2e42066b224dd54251793
    Original-Signed-off-by: Aaron Durbin 
    Original-Reviewed-on: https://chromium-review.googlesource.com/294541
    Original-Reviewed-by: Duncan Laurie 
    Reviewed-on: http://review.coreboot.org/11416
    Tested-by: build bot (Jenkins)
    Reviewed-by: Aaron Durbin 
    Reviewed-by: Alexandru Gagniuc

See http://review.coreboot.org/11416 for details.

-gerrit