utvideodec: Support ULH0 and ULH2 formats.

Signed-off-by: Kostya Shishkov <kostya.shishkov@gmail.com>
riff: Support ULH0 and ULH2 fourccs.

Signed-off-by: Kostya Shishkov <kostya.shishkov@gmail.com>
utvideodec: Set colorspace by codec_tag.

Signed-off-by: Kostya Shishkov <kostya.shishkov@gmail.com>