media: ov13858: Select V4L2_FWNODE

The ov13858 driver depends on the V4L2 fwnode, thus add that to Kconfig.

Fixes: 5fcf092e ("[media] ov13858: add support for OV13858 sensor")

Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>