In commit 297aad6ebd pins for handwired/onekey/teensy_2pp were changed from B2/B1 to F4/F5; update readme.md to match that change.
297aad6ebd
* Initial refactor of onekey to support multiple development boards * Fixes to get teensy lc && 3.2 working * Add pin tables * Add caveats to Teensy boards * Correct bootloader for Elite-C