Patch merged into coreboot/master: soc/intel/apollolake: Add GPIO devices

the following patch was just integrated into master:
commit 164e8f1d9b9a36ccca2feefa0e2172ac0c3254c3
Author: Zhao, Lijian 
Date:   Mon Feb 1 16:41:59 2016 -0800

soc/intel/apollolake: Add GPIO devices

Add GPIO controller in ACPI device description.

GPIO controller driver is probed in kernel and all
    the pins in the banks are showing respective values.

Change-Id: I0512cfec872113b15fd204ec3b95efeac87f694a
    Signed-off-by: Zhao, Lijian 
    Signed-off-by: Jagadish Krishnamoorthy 
    Reviewed-on: https://review.coreboot.org/14478
    Tested-by: build bot (Jenkins)
    Reviewed-by: Aaron Durbin

See https://review.coreboot.org/14478 for details.

-gerrit