soc: qcom: Notify clients in case qmi connection to service locator fails

Clients are not getting notification if qmi connection to locator has
not been established. As a result of this clients are waiting forever.
So to avoid this notifying the client in case of qmi connection fails
to service locator.

Change-Id: Id1625c18db812831860355e987a97789357dda13
Signed-off-by: Gaurav Kohli <gkohli@codeaurora.org>