* Rename EXT option to TELEMETRY
* Change test accordingly
* Rename FRSKY to TELEMETRY_FRSKY
* Rename ARDUPILOT to TELEMETRY_ARDUPILOT
* More renames (JETI, MAVLINK, NMEA)
* Fixes to make commit-test happy
* Further tests added to commit-test
* Cleanup
* Rename EXTSTD to TELEMETRY_NONE
* Fix Multimodule showing up as Crossfire when only multimode and not crossfire is enabled.
* Don't hardcode telemetry to be Frysky on non STM32 arm targets
* Port multi module code to 9X platforms
* Allow Spektrum telemetry protocol to be selected as protocol for the telemetry selection
* Fix infinite loop in spektrum code
* Fix cosmetics
Changes also done for Horus and Taranis UI where appropriate
