dss sp: fix decompressors field_20

Signed-off-by: Oleksij Rempel <linux@rempel-privat.de>
dss sp: fix array_20

Signed-off-by: Oleksij Rempel <linux@rempel-privat.de>
dss sp: make codek work

Signed-off-by: Oleksij Rempel <linux@rempel-privat.de>