Add submission # 5440

#5440

Author: ArduinoBot

registry.txt

@@ -7608,3 +7608,4 @@ https://github.com/blasilli/GBALib_UltrasonicSensor.git|Contributed|GBALib_Ultra
 https://github.com/georgemihaila/xy2-100.git|Contributed|XY2-100
 https://github.com/pschatzmann/TalkiePCM.git|Contributed|TalkiePCM
 https://github.com/blasilli/GBALib_ShiftRegister.git|Contributed|GBALib_ShiftRegister
+https://github.com/blasilli/GBALib_DCMotor.git|Contributed|GBALib_DCMotor