drm/colorop: Add 3D LUT support to color pipeline

drm/colorop: Add 3D LUT support to color pipeline

It is to be used to enable HDR by allowing userpace to create and pass
3D LUTs to kernel and hardware.

new drm_colorop_type: DRM_COLOROP_3D_LUT.

Reviewed-by: Simon Ser <contact@emersion.fr>
Signed-off-by: Alex Hung <alex.hung@amd.com>
Reviewed-by: Daniel Stone <daniels@collabora.com>
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/20251115000237.3561250-46-alex.hung@amd.com