V4L/DVB (12530): soc-camera: switch to using v4l2_subdev_call()

Use v4l2_subdev_call() instead of v4l2_device_call_until_err() in all host
drivers and in soc-camera core.

Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>