drm/msm/sde: avoid fence creation if property reset

Avoid creating fence on crtc and connector if property
reset value set. This will avoid creating get_unsed_fd
on dying process.

Change-Id: Id4e898c55167b3568962384cade5e60b38c30468
Signed-off-by: Dhaval Patel <pdhaval@codeaurora.org>
Signed-off-by: Rahul Sharma <rahsha@codeaurora.org>