Board identification for the Phrozen Sonic Mini

[ihatemyisp]

I went ahead and connected to the serial port and didn't really get anything useful out of it. The entire board can be powered via the serial header, including the front LCD.

UART1 init OK
//Disk init fail!
start
start

 start_task
magic_num:0xe21d000a  size:28960
###### Error!!!!!!File:..\3D\software\LCD_TFT\ilixxxx_api.cpp Func:GUI_DrawPicFromSPIFlash Line:626
//Disk init fail!
//Disk init fail!
//############sd_mounted Error! cann't open file !