1458: rp: remove take!, add bind_interrupts! r=Dirbaio a=pennae
both of the uart interrupts now check a flag that only the dma rx path ever sets (and now unsets again on drop) to return early if it's not as they expect. this is ... not our preferred solution, but if bind_interrupts *must* allow mutiple handlers to be specified then this is the only way we can think of that doesn't break uarts.
Co-authored-by: pennae <github@quasiparticle.net>
- Allows classes to handle vendor requests.
- Allows classes to use a single handler for multiple interfaces.
- Allows classes to access the other events (previously only `reset` was available).
