camera: Avoid race condition on operating mode.
camera: Avoid race condition on operating mode.

CameraOperatingMode setting is now called when the ports are
started to avoid race conditions between GstBaseSrc / create() and
the application (setting the property) thread

Signed-off-by: Daniel Diaz <ed054987dd20aebbd314fbb0d175066628f13717@ti.com>

mrchapp/gst-openmax,mrchapp/gst-openmax-devel,mrchapp/gst-openmax,mrchapp/gst-openmax-devel,mrchapp/gst-openmax-devel,mrchapp/gst-openmax