msg: update VehicleCommand.msg MAV_CMD_DO_REPOSITION comment

Added missing MAV_CMD_DO_REPOSITION parameters, from MAVlink Docs.

msg/VehicleCommand.msg

@@ -43,7 +43,7 @@ uint16 VEHICLE_CMD_DO_CHANGE_ALTITUDE = 186		# Set the vehicle to Loiter mode an
 uint16 VEHICLE_CMD_DO_SET_ACTUATOR = 187		# Sets actuators (e.g. servos) to a desired value. |Actuator 1| Actuator 2| Actuator 3| Actuator 4| Actuator 5| Actuator 6| Index|
 uint16 VEHICLE_CMD_DO_LAND_START = 189			# Mission command to perform a landing. This is used as a marker in a mission to tell the autopilot where a sequence of mission items that represents a landing starts. It may also be sent via a COMMAND_LONG to trigger a landing, in which case the nearest (geographically) landing sequence in the mission will be used. The Latitude/Longitude is optional, and may be set to 0/0 if not needed. If specified then it will be used to help find the closest landing sequence. |Empty| Empty| Empty| Empty| Latitude| Longitude| Empty|
 uint16 VEHICLE_CMD_DO_GO_AROUND = 191			# Mission command to safely abort an autonomous landing. |Altitude (meters)| Empty| Empty| Empty| Empty| Empty| Empty|
-uint16 VEHICLE_CMD_DO_REPOSITION = 192
+uint16 VEHICLE_CMD_DO_REPOSITION = 192			# Reposition to specific WGS84 GPS position. |Ground speed [m/s] |Bitmask |Loiter radius [m] for planes |Yaw	[deg] |Latitude	|Longitude |Altitude |
 uint16 VEHICLE_CMD_DO_PAUSE_CONTINUE = 193
 uint16 VEHICLE_CMD_DO_SET_ROI_LOCATION = 195		# Sets the region of interest (ROI) to a location. This can then be used by the vehicles control system to control the vehicle attitude and the attitude of various sensors such as cameras. |Empty| Empty| Empty| Empty| Latitude| Longitude| Altitude|
 uint16 VEHICLE_CMD_DO_SET_ROI_WPNEXT_OFFSET = 196 	# Sets the region of interest (ROI) to be toward next waypoint, with optional pitch/roll/yaw offset. This can then be used by the vehicles control system to control the vehicle attitude and the attitude of various sensors such as cameras. |Empty| Empty| Empty| Empty| pitch offset from next waypoint| roll offset from next waypoint| yaw offset from next waypoint|