9 model profiles

- 9 instead of 3 model profiles (uses both 3-pos switches)
- new preprocessor define T5X_PROFILE_SW2_PRIMARY instead of
T5X_SW2_SELECTS_PROFILE
- channel layout definition for potentiometer is now "P" instead of "4".
so the default now is "AETR123P".
- T5X_USE_LESS_ROM_FOR_CHANNEL_ORDER_EVALUATION is now set by default
- 1st profile contains for telemetry warning instead of absolute values
a calculation of cell voltage and number of cells.