[media] media: rc: gpio-ir-recv: do not allow threaded interrupt handler

Requesting any context irq is not actually great idea since threaded
interrupt handler is run at too unpredictable time which turns
timing information wrong. Fix it by requesting regular interrupt.

Signed-off-by: Ladislav Michl <ladis@linux-mips.org>
Signed-off-by: Sean Young <sean@mess.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>