comment code that is currently unused (radar detection and dynamic rx sensitivity tuning).  fix a typo while i'm here.
comment code that is currently unused (radar detection and dynamic rx
sensitivity tuning).  fix a typo while i'm here.

orumin/openbsd-efivars,orumin/openbsd-efivars,orumin/openbsd-efivars,orumin/openbsd-efivars