msm: camera: csiphy: reset the secure bits on provider exit

If camera service exits after configdev and before startdev the phy
variables to keep track of the secure bits will be modified and the next
session will be based on this secure bits that was previously set. This
change clears the phy secure bits if the service exits.

CRs-Fixed: 2726185
Change-Id: I69420aed164f66f221569ff60f8771eff40e1548
Signed-off-by: Tony Lijo Jose <tjose@codeaurora.org>