Fixes a compile error when building non-WIFI sketches on the Pico W.
- Add Pico W WiFi support (#670)
- Fix ::printf/etc. due to mutex size conflict (#677)
- Add delay to 2nd core start for Picoprobe (#676)
- Add support for new SD/RTC and SubGHz boards (#663)
- Automatically update the JSON file in makeboards (#664)
- Disable WiFi.begin on plain Pico, add JSON (#682)
- Provide dummy CYW43 callbacks when no WiFi used (#681)