Add submission # 6254

#6254

Author: ArduinoBot

registry.txt

@@ -8096,3 +8096,4 @@ https://github.com/tedlanghorst/LP5562.git|Contributed|LP5562
 https://github.com/VictorDRE/CV7Lib.git|Contributed|CV7Lib
 https://github.com/CheezCheez/CheezPPG.git|Contributed|CheezPPG
 https://github.com/misch2/BQ25798_Library.git|Contributed|BQ25798
+https://github.com/acornelissen/DTS6012M_UART.git|Contributed|DTS6012M_UART