GitLab

* initial tinyusb lib port

* add Adafruit_TinyUSB_Arduino as submodules

* add yield() to main loop

* sync with tinyusb lib latest

* add USB manufacturer and product

* fix typo in tinyusb lib

* sync with master

updating implementation

* Rationalize link stage command line

Make the build process less insane.

* clean up delay

* clean up platform and board

* update makeboards.py for generating usbstack menu

* update tinyusb lib to 1.0.0