* f1_dual, f1_rev3: use Serial for TS not for debug
* f1_dual: config cleanup
* EGT_CHANNELS is better option for optional compilation of max driver
* max31855: supress warning
* max31855: add EGT to livedata
* livedata: getEgtLiveDataStructAddr() returns NULL for boards with no EGT
* livedata: report AFR sensor(s) state
* livedata: report heater state
* uart: fix for max31855 update