* feat(cpn): Initial Radiomaster Boxer support
* fix(build): Halt if invalid simulator plugin specified
* fix: 6POS not correctly defined
* chore: Less EEPROM stuff needed
* Start of simulator support
* Enable left buttons and fix area mapping of page up and down
* fix(cpn): Internal reference to pots
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Co-authored-by: elecpower <neilh713@tpg.com.au>