* Remove CORTEX_ENABLE_WFI_IDLE from the codebase. * Turn on CORTEX_ENABLE_WFI_IDLE by default.
* Tentative Teensy 3.5 support * Set firmware format to .hex for ARM Teensys * Got to "device descriptor failed" by comparing with Teensy 3.6 code * Drop down to 96MHz... * Bump back up to 120MHz