libcamera: pipeline: uvc: Mark the media device as hotpluggable

UVC devices can be hot-unplugged. Mark the corresponding media device as
hotpluggable to ensure proper disconnection support.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>

src/libcamera/pipeline/uvcvideo.cpp

@@ -49,6 +49,7 @@ bool PipelineHandlerUVC::match(DeviceEnumerator *enumerator)
 
 	std::shared_ptr<Camera> camera = Camera::create(this, dev_->model());
 	registerCamera(std::move(camera));
+	hotplugMediaDevice(dev_.get());
 
 	return true;
 }