changed LORA_IO0 -> LORA_IRQ added LORA_RST added SS
Bugfix: pin A14 was double defined; pin A15 was missing.
* Create pins_arduino.h * Update boards.txt Pycom LoPy + LoPy4 boards added * Create pins_arduino.h * Update pins_arduino.h bugfix antenna switch GPIO port 16 -> 21 * Update pins_arduino.h * Update pins_arduino.h * Update pins_arduino.h * Update pins_arduino.h * Update pins_arduino.h * Update boards.txt