libcamera: pipeline: uvcvideo: Reject sensor configuration

The UVC pipeline handler cannot set the sensor configuration so if the
desired `CameraConfiguration` specifies one, then reject it.

Signed-off-by: Barnabás Pőcze <barnabas.pocze@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Jacopo Mondi <jacopo.mondi@ideasonboard.com>

src/libcamera/pipeline/uvcvideo/uvcvideo.cpp

@@ -143,6 +143,9 @@ CameraConfiguration::Status UVCCameraConfiguration::validate()
 	if (config_.empty())
 		return Invalid;
 
+	if (sensorConfig)
+		return Invalid;
+
 	if (orientation != Orientation::Rotate0) {
 		orientation = Orientation::Rotate0;
 		status = Adjusted;