Previously, the sensor was not streaming after resume from suspend,
i.e. on S0->S3->S0 transition. Due to this, camera app preview appeared
as stuck.

Now, handle streaming state correctly in case of suspend-resume.
Signed-off-by: NChiranjeevi Rapolu <chiranjeevi.rapolu@intel.com>
Signed-off-by: NSakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: NMauro Carvalho Chehab <mchehab@osg.samsung.com>