* #3368 DSM Telemetry Fixes 1. Expand constants for telemetry frame SIDs and optimize flow of processing of sensors (less CPU work) 2. Add Binary GPS 3. Add Dual Battery Sensor monitor 4. Fix bad math on some ESC sensors 5. Fix problem where ESC RPM sensor was changed from "Erpm" to "EscR".. fix it back to "Erpm" for compatibility with 2.8.x * #3368 DSM Telemetry Fixes 1. Split long if-then-else code into more granular function. 2. fix ESC VBEC (BEC voltage) 3. Improve testing function