sh_mobile_ceu_camera.c is already prepared to support interlaced format, this
patch moves the choice of a field type down to host and / or camera drivers.
Signed-off-by: NGuennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>