resolve heltec-wireless-tracker serial issue #2621
Merged
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heltec-wireless-tracker is not (yet) natively supported by platformio, so previously we used the very similar board definition of heltec_wifi_lora_32_V3.
However this leads to USB serial problems, because its board definition has a hard-coded
-DARDUINO_USB_MODE=1
defined.This PR solves this issue by using an explicit board definition in heltec-wireless-board.json which corrects the unwanted serial (mis-)behavior.