gpio-pch: Set parent dev for gpio chip
gpio-pch: Set parent dev for gpio chip

This will show the gpio chip as a child node
under /sys/bus/pci/devices/xxxx:xx:xx.x/

Signed-off-by: Alexander Stein <dbef83f64948dc68aad31596bbf6991154a9d730@systec-electronic.com>
Signed-off-by: Linus Walleij <9cd9d802d23c0ed5e224beabf4ae4a5c478746ef@linaro.org>

TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs