UNO R4 WiFi support quirks

[hobobandy]

https://github.com/adafruit/Adafruit_GPS/blob/3f0911610ef13c7c3f0a00404ef37f20c7812b86/src/Adafruit_GPS.cpp#L43C10-L43C10

Using the Adafruit Ultimate GPS Logger Shield on a UNO R4 WiFi. Library doesn't detect the board, so software serial isn't triggered properly.