* Avoid NO_USB_STARTUP_CHECK - Disable USB as checks seem to enable it somehow
* Update quantum/split_common/split_util.c
Co-Authored-By: fauxpark <fauxpark@gmail.com>
* Also remove NO_USB_STARTUP_CHECK from vitamins_included/rev1
* Refactor splittest to support multiple dev boards
* Refactor splittest to support multiple dev boards - revert change to number of RGB led
* Refactor splittest to support multiple dev boards - update docs
* Refactor splittest to support multiple dev boards - correct docs
* Refactor splittest to support multiple dev boards - update teensy master logic