Reply to LOG_REQUEST_DATA

                id                        : Log id (from LOG_ENTRY reply) (uint16_t)
                ofs                       : Offset into the log (uint32_t)
                count                     : Number of bytes (zero for end of log) (uint8_t)
                data                      : log data (uint8_t)

def log_data_encode(self, id, ofs, count, data):
                '''
                Reply to LOG_REQUEST_DATA

                id                        : Log id (from LOG_ENTRY reply) (uint16_t)
                ofs                       : Offset into the log (uint32_t)
                count                     : Number of bytes (zero for end of log) (uint8_t)
                data                      : log data (uint8_t)

                '''
                return MAVLink_log_data_message(id, ofs, count, data)