Commit 25614824 ("[media] tc358743: support probe from device tree")
failed to explicitly set the direction of the reset gpio. Use the
optional flag of devm_gpiod_get to make up leeway.

This is also necessary because the flag parameter will become mandatory
soon.
Signed-off-by: NUwe Kleine-König <u.kleine-koenig@pengutronix.de>
Reviewed-by: NLinus Walleij <linus.walleij@linaro.org>
Acked-by: NPhilipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: NMauro Carvalho Chehab <mchehab@osg.samsung.com>