media: cedrus: Register all codecs as capability

All codecs should have capabilities.
For example "Allwinner V3s" does not support "MPEG2".

Signed-off-by: Martin Cerveny <m.cerveny@computer.org>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>