Small fixes to AI Controller

- removed QtSerialPort from the Qt CONFIG parameters
- remove compiler warnings
- reduced logging
- fixed FPS to show what AI really analyzed
- RTSP reader tries to connect to the stream once per second until it succeeds

ai_controller/aiengine.h

@@ -1,7 +1,7 @@
 #pragma once
 
-#include <QObject>
 #include <QElapsedTimer>
+#include <QObject>
 #include <opencv2/core.hpp>
 #include <opencv2/videoio.hpp>
 #include "aienginertsplistener.h"
@@ -26,8 +26,9 @@ signals:
     void inferenceFrame3(cv::Mat frame);
 
 private:
-    QElapsedTimer mElapsedTimer;
-    uint32_t mFrameCounter = 0;
+    uint32_t mRtspFrameCounter;
+    uint32_t mInferenceFrameCounter;
+    QElapsedTimer mRtspElapsedTimer;
     AiEngineRtspListener *mRtspListener;
     AiEngineInference *mInference;
     AiEngineInference *mInference2;