This prevents two inputs publishing to the same topic. Now if both RC and joystick are connected the first to be active gets control. This is not optimal but consistent and safe.

  Replace the creation of uuid string with the board common api
  board_get_uuid_formated32 as opposed to using mcu_unique_id
  and printf.

   Using board cvommon UUID api thefore Removed mcu_unique_id

   This abstraction will support mcu's with longer ID's then the
   stm32 family.

   It provids a common interface for byte and 32 bit word access
   to the UUID data and a facility to reorder it.

* Streamline python script for temp cal.

* Simplify file generation for temp calibration.