Add submission # 5053

#5053

Author: ArduinoBot

registry.txt

@@ -7403,3 +7403,4 @@ https://github.com/CMB27/ModbusADU.git|Contributed|ModbusADU
 https://github.com/CMB27/ModbusRTUComm.git|Contributed|ModbusRTUComm
 https://github.com/Zhentao-Lin/ESP32_WS2812_Lib.git|Contributed|ESP32_WS2812_Lib
 https://github.com/stack-chan/stackchan-arduino.git|Contributed|stackchan-arduino
+https://github.com/adbancroft/avr-fast-div.git|Contributed|avr-fast-div