XTUNER-X500 System mise a jour V2.2 to V2.5!

SC299 XTUNER-X500 System Updated!
V2.2 to V2.5!

1. Improve the stability of Bluetooth communication.
2. Improve the startup speed of diagnostic software.
3. Add the prompt of reminding user to unpluge the VCI connector when finish testing.
4. Fix some bugs.