init: qcom: Enable RIL notifications if Fast Dormancy is enabled.

If FD is enabled, Modem Dormant notifications are sent by RIL
even during Screen is OFF.

Change-Id: I5857c5e9e6b0300fe3ef021acc6c341d7e6e7117


author	Sravan Kumar Ambapuram <asravan@codeaurora.org>