[coreboot-gerrit] Patch merged into coreboot/master: 21db62e gpio: add a function to read GPIO array as base-2 value

the following patch was just integrated into master:
commit 21db62eb0e900b031cf7398149a76a3dfa6ceb5f
Author: David Hendricks 
Date:   Thu Nov 6 15:05:35 2014 -0800

gpio: add a function to read GPIO array as base-2 value

This adds gpio_base2_value() which reads an array of 2-state
    GPIOs and returns a base-2 value, where gpio[0] represents the
    least significant bit.

BUG=none
    BRANCH=none
    TEST=tested with follow-up patches for pinky

Change-Id: I0d6bfac369da0d68079a38de0988c7b59d269a97
    Signed-off-by: Patrick Georgi 
    Original-Commit-Id: 27873b7a9ea237d13f0cbafd10033a8d0f821cbe
    Original-Change-Id: Ia7ffc16eb60e93413c0812573b9cf0999b92828e
    Original-Signed-off-by: David Hendricks 
    Original-Reviewed-on: https://chromium-review.googlesource.com/228323
    Original-Reviewed-by: Julius Werner 
    Reviewed-on: http://review.coreboot.org/9412
    Tested-by: build bot (Jenkins)
    Reviewed-by: David Hendricks

See http://review.coreboot.org/9412 for details.

-gerrit