Copter: Added Toy Mode logger documentation

ArduCopter/toy_mode.cpp

@@ -990,6 +990,17 @@ void ToyMode::thrust_limiting(float *thrust, uint8_t num_motors)
     }
     uint16_t pwm[4];
     hal.rcout->read(pwm, 4);
+
+// @LoggerMessage: THST
+// @Description: Maximum thrust limitation based on battery voltage in Toy Mode
+// @Field: TimeUS: Time since system startup
+// @Field: Vol: Filtered battery voltage
+// @Field: Mul: Thrust multiplier between 0 and 1 to limit the output thrust based on battery voltage
+// @Field: M1: Motor 1 pwm output
+// @Field: M2: Motor 2 pwm output
+// @Field: M3: Motor 3 pwm output
+// @Field: M4: Motor 4 pwm output
+
     if (motor_log_counter++ % 10 == 0) {
         AP::logger().Write("THST", "TimeUS,Vol,Mul,M1,M2,M3,M4", "QffHHHH",
                                                AP_HAL::micros64(),