Control message for rate gimbal

                target_system             : System ID (uint8_t)
                target_component          : Component ID (uint8_t)
                demanded_rate_x           : Demanded angular rate X (rad/s) (float)
                demanded_rate_y           : Demanded angular rate Y (rad/s) (float)
                demanded_rate_z           : Demanded angular rate Z (rad/s) (float)

def gimbal_control_encode(self, target_system, target_component, demanded_rate_x, demanded_rate_y, demanded_rate_z):
                '''
                Control message for rate gimbal

                target_system             : System ID (uint8_t)
                target_component          : Component ID (uint8_t)
                demanded_rate_x           : Demanded angular rate X (rad/s) (float)
                demanded_rate_y           : Demanded angular rate Y (rad/s) (float)
                demanded_rate_z           : Demanded angular rate Z (rad/s) (float)

                '''
                return MAVLink_gimbal_control_message(target_system, target_component, demanded_rate_x, demanded_rate_y, demanded_rate_z)