Introduces EnabledUsbDevice

EnabledUsbDevice is a wrapper around the UsbDevice where their enablement is also subject to external events, such as POWER events for nRF. It is introduced generically to support other platforms should they also require external signalling for enablement.

embassy-usb/src/lib.rs

@@ -11,6 +11,7 @@ pub mod descriptor;
 mod descriptor_reader;
 pub mod driver;
 pub mod types;
+pub mod util;
 
 use embassy::util::{select, Either};
 use heapless::Vec;