media: uapi: Move colorimetry controls at the end of the file

The colorimetry controls class is defined after the stateless codec
class at the top of the controls header. It is currently defined in
the middle of stateless codec controls.

Move the colorimetry controls after the stateless codec controls,
at the end of the file.

Signed-off-by: Paul Kocialkowski <paulk@sys-base.io>
Signed-off-by: Hans Verkuil <hverkuil+cisco@kernel.org>