code: def _get_ilo_firmware_version(self, data):
          
          firmware_details = self._get_firmware_embedded_health(data)
          if firmware_details:
              try:
                  return {'ilo_firmware_version': firmware_details['iLO']}
              except KeyError:
                  return None
docs: Gets the ilo firmware version for server capabilities
  
          Parse the get_host_health_data() to retreive the firmware
          details.
  
          :param data: the output returned by get_host_health_data()
          :returns: a dictionary of iLO firmware version.