* Peripheral ref/sha (#312)
* Add SHA to list of peripherals to be created
* Refactor SHA peripheral to use PeripheralRef
* Update SHA examples to get them building again
* Fix async time drivers
* Fix usb otg
* Fix s3
Co-authored-by: Jesse Braham <jessebraham@users.noreply.github.com>
- Add RMT output channel support for ESP32, ESP32-S2, ESP32-S3, ESP32-C3
- Add add RMT adapter for `smart-leds` crate
- Add example `hello_rgb` for ESP32-S2, ESP32-S3 and ESP32-C3 that either
drives one LED at the pin where a LED is located on the official devkits
- Add example `hello_rgb` for ESP32 that is driving a 12-element RGB ring.
