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.

  Define modes of reset and way to tell the system to enter
  the bootloader via an api defined in board_common.h

  If hardware or simulation deo not support the reset or
  bootloader API and can define BOARD_HAS_NO_RESET and
  BOARD_HAS_NO_BOOTLOADER respectivly.

   Fixes CI error

This board don't have a SDCard to save crash dumps and it was causing
the board to get stuck into '[boot] There were %d reboots with Hard
fault that were not committed to disk - System halted', until user
connect to the serial console and clear the fault.