Scott Shawcroft 2433c9572c
Add full pin mux info and use it for I2C
All I2C peripherals should be usable now. This also adds pin
in-use tracking and resetting.

Part of #5629
2021-12-01 17:19:57 -08:00
..
2021-11-22 14:54:44 -08:00
2021-11-23 17:23:13 -08:00