Add support for Yamaha RCP

[Joel Wetzell]

I believe most of the Yamaha digital consoles (TF/CL/QL/etc.) all speak a similar protocol. Still trying to find a decent document about the protocol.

[sparks-alec]

I think you have to get the spec under NDA (ew) but there's these:
https://github.com/MeestorX/companion-module-yamaha-scp/blob/master/CL5%20SCP%20Parameters-1.txt

https://download.yamaha.com/files/tcm:39-1286035

that QLab control is SPECTACULARLY inelegant

[Joel Wetzell]

I have seen that QLab one before.....oof. Yeah I would probably look at the bitfocus stuff for a majority of what commands are going to be useful.