Lambda x2 rev1 (#180)
* lambda-x2: revork aux outputs, remove useless protection in LSU
* lambda-x2: switch to 64-pin MCU
* lambda-x2: add HSE, move pump to DAC outputs
* lambda-x2: move BT to UART4/USART3
* lambda-x2: ocsillator fix
* lambda-x2: fix RC filter values on heater voltage ADC inputs
* lambda-x2: fuse, Vbat sense, resistor in sense
* lambda-x2: diagnostic for AUX out, PWM noise cancelation, etc
* lambda-x2: jtag, adc channels, one more led, BT en, etc
* lambda-x2: update PCB dimentions, connector footprint, etx
* lambda-x2: update
* lambda-x2: final update, rev1
* lambda-x2: rev1: fabrication files
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