Update in accordance with Firebeetle's official firebeetle32 pins_arduino.h. Without it, digital pins weren't definable, and analogue pins didnt line up. Taken from http://download.dfrobot.top/FireBeetle/DFRobot_FireBeetle-ESP32-0.0.9.zip
* add DFRobot FireBeetle-ESP32 support * add variant for fireBeetle-ESP32 * The name of the env variant is changed to firebeetle32