Merge pull request #6150 from per1234/retire-MKRMotorCarrier

Add "Retired" type to "MKRMotorCarrier"

Author: MatteoPologruto

Diff for: registry.txt

@@ -38,7 +38,7 @@ https://github.com/arduino-libraries/ArduinoMDNS.git|Arduino|ArduinoMDNS
 https://github.com/arduino-libraries/MKRGSM.git|Arduino|MKRGSM
 https://github.com/arduino-libraries/MKRWAN.git|Arduino|MKRWAN
 https://github.com/arduino-libraries/MKRWAN_v2.git|Arduino|MKRWAN_v2
-https://github.com/arduino-libraries/MKRMotorCarrier.git|Arduino|MKRMotorCarrier
+https://github.com/arduino-libraries/MKRMotorCarrier.git|Arduino,Retired|MKRMotorCarrier
 https://github.com/arduino-libraries/ArduinoMotorCarrier.git|Arduino|ArduinoMotorCarrier
 https://github.com/arduino-libraries/BNO055.git|Arduino|BNO055
 https://github.com/arduino-libraries/WiFiNINA.git|Arduino|WiFiNINA