
* Add support for building against ChibiOS svn/trunk. * Swap to 21.6.x * Update to latest branch revision as released version is broken. * Updated configs. * Conf updates. * Updated ChibiOS * Convert STM32L422 to actual L422 ChibiOS platform. * Downgrade to 20.3.4 as ChibiOS 21.6.x is being aborted. * Rollback L422-based boards.