media: dt-bindings: media: Add Allwinner H3 Deinterlace binding

Allwinner H3 Deinterlace core is used for deinterlacing interlaced video
content. Core can also be found on some later SoCs, like H5 and R40.

Acked-by: Maxime Ripard <mripard@kernel.org>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Jernej Skrabec <jernej.skrabec@siol.net>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>