Add new GPIO management interface to replace old (buggy) one.
Keeping old interface intact for now.
Signed-off-by: NUri Shkolnik <uris@siano-ms.com>
Acked-by: NMichael Krufky <mkrufky@linuxtv.org>
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>