* ADC_VCC is not macro

* In esp.h ADC_VCC and ADC_TOUT is not macro, so define macro.

* ADC_VCC and ADC_TOUT fixes in utils.ino and sensors.h

* Adding support for I2C temperature and humidity sensor HDC1080 / 831R

* Added HDC1080 to test\build\sensor.h and arduino.h

* added brackets

* Revert ADC_MODE_VALUE to initial values

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Co-authored-by: Max Prokhorov <prokhorov.max@outlook.com>