media: dt-bindings: media: cedrus: Add V3s compatible

Allwinner V3s SoC contains video engine. Add compatible for it.

Signed-off-by: Martin Cerveny <m.cerveny@computer.org>
Acked-by: Chen-Yu Tsai <wens@csie.org>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>