msm: camera: crm: Perform the notification in workq on sof freeze

In case of SOF freeze perform the task of notifying the devices
in a workq instead of timer callback context to avoid watchdog
bite from mutex lock.

Change-Id: Ie787900e4a7f28209d9aa1d7e580186982f918db
Signed-off-by: Vishalsingh Hajeri <vhajeri@codeaurora.org>