Patch-by: Cezary Jackiewicz <cezary@eko.one.pl>
(the GPIODEV code has been removed, the sysfs interface
can be used to control the GPIO lines instead - juhosg)
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@23165 3c298f89-4303-0410-b956-a3cf2f4a3e73
