Reads flash of CC254x using an Arduino board.

1. Load the Arduino sketch to the UNO board.
2. Wire the pins:
3. Use python script to load the binary to the CCwxyz via UNO board

regarding to the CCLoader (https://github.com/RedBearLab/CCLoader): here some changes were made to the arduino sketch and host program is scripted in python