drm/amd/display: lock/un-lock cursor if odm pipe split used

[Why]
When system resume from sleep, the cursor lock will be reset
to default(lock status). And the cursor programming sequence
doesn't consider about odm pipe split cause cursor can't be
enabled.

[How]
If odm pipe split has been used, lock/un-lock on each pipes.

Reviewed-by: Dmytro Laktyushkin <Dmytro.Laktyushkin@amd.com>
Acked-by: Solomon Chiu <solomon.chiu@amd.com>
Signed-off-by: Paul Hsieh <paul.hsieh@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>