The Range Test Module was defined-out by architecture.
No reason it shouldn't work, so add PORTDUINO to the list of
architectures that compile this module.
Tested on Ubuntu. Enables without crashing, will send packets on
the set time. However, for now the CSV file download does not appear
to work.
Partially fixes https://github.com/meshtastic/firmware/issues/5618
5acaf8f897