msm: camera: handle error case for B+M

dualcam varibles are getting reset during streamoff,
in case daemon get died during streamon then we
need to reset during close call, to avoid next
streamon failure.

Change-Id: I8ee7d58d91912a456587523f541f010a3273df52
Signed-off-by: Ramesh V <ramev@codeaurora.org>