feat(cpn): add support for surface radios inc Radiomaster MT12

[elecpower]

Fixes #4969

Summary of changes:

• add support for surface radios
• add support for Radiomaster MT12
• housekeeping

TODO

• [ ] surface radio configuration
• [ ] Companion yaml encode/decode own models and settings
• [ ] surface radio decode Companion encoded yaml
• [ ] Companion decode radio encoded yaml
• [ ] surface radio simulator
• [ ] MT12 default settings eg battery, screen
• [ ] MT12 radio configuration
• [ ] MT12 models configuration
• [ ] MT12 simulator operation
• [ ] MT12 simulator images