[chirp_users] csv format

[David Tilson]

> Correct, the ID800, IC2200, and IC?82 radios will only accept 
> uppercase characters.

I thought that might be the case with a few of the radios, but didn't
know which models.  I'll update the wiki later to reflect this.

> The individual radio drivers should coerce them to upper 
> case, but I'm not confident that they all do that in a 
> consistent manner :D

This might be a pain, but is it worth getting CHIRP to force a case
change to upper case for those specific radios?

Cheers,

davidt