libcamera: pipeline: rkisp1: Don't fail if sensorInfo fails

When starting the streaming, it might be that the call
to sensorInfo fails. This does not mean that the camera can't
stream so set 'ret' to 0.

Fixes: fd554f9dba ("libcamera: ipa: Add support for CameraSensorInfo")
Signed-off-by: Dafna Hirschfeld <dafna.hirschfeld@collabora.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>

src/libcamera/pipeline/rkisp1/rkisp1.cpp

@@ -828,6 +828,7 @@ int PipelineHandlerRkISP1::start(Camera *camera)
 		/* \todo Turn this in an hard failure. */
 		LOG(RkISP1, Warning) << "Camera sensor information not available";
 		sensorInfo = {};
+		ret = 0;
 	}
 
 	std::map<unsigned int, IPAStream> streamConfig;