media: sun6i-csi: Add a Kconfig dependency on RESET_CONTROLLER

The driver relies on the reset controller API to work, so add
RESET_CONTROLLER as one of its Kconfig dependencies.

Fixes: 5cc7522d

 ("media: sun6i: Add support for Allwinner CSI V3s")
Signed-off-by: Paul Kocialkowski <paul.kocialkowski@bootlin.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>