msm: camera: sync: Enable driver registration with dtsi match

Currently sync driver is independent from dtsi matching in order
to get it probe. Update the logic to make sure probe is getting
invoked if respective dtsi is present.

CRs-Fixed: 2590413
Change-Id: I69124e49d68e223d082521a9431cb7e8d846e8d7
Signed-off-by: Jigarkumar Zala <jzala@codeaurora.org>