drm/colorop: Add destroy functions for color pipeline

drm/colorop: Add destroy functions for color pipeline

The functions are to clean up color pipeline when a device driver
fails to create its color pipeline.

Signed-off-by: Alex Hung <alex.hung@amd.com>
Reviewed-by: Daniel Stone <daniels@collabora.com>
Reviewed-by: Simon Ser <contact@emersion.fr>
Reviewed-by: Melissa Wen <mwen@igalia.com>
Reviewed-by: Sebastian Wick <sebastian.wick@redhat.com>
Signed-off-by: Simon Ser <contact@emersion.fr>
Link: https://patch.msgid.link/20251115000237.3561250-14-alex.hung@amd.com