ic9100 now has 5 ranges and ft991 just 1
We will need to update all rigs to this new format
All rigs should be converted to hardware-based freq ranges allowing for non-region based radios
This will probably mean getting rid of REGION macros and such
Add explanation of RIG_ANT_CURR for channel.ant entry. It's to be used when rigs have multiple antenna ports for dedicated band ranges and the rig does not have a set_ant command