docs: def reset_bios_to_default(self):
          """Resets the BIOS settings to default values.
  
          :raises: IloError, on an error from iLO.
          """
          sushy_system = self._get_sushy_system(PROLIANT_SYSTEM_ID)
          try:
              sushy_system.bios_settings.update_bios_to_default()
          except sushy.exceptions.SushyError as e:
              msg = (self._("The Redfish controller is unable to update bios "
                            "settings to default Error %(error)s") %
                     {'error': str(e)})
              LOG.debug(msg)
              raise exception.IloError(msg)