updated onboard SDK

README.md

@@ -60,7 +60,7 @@ Collects and optionally records Velodyne LiDAR data, in the form of a `.pcap` fi
 - startup rviz: `rosrun rviz rviz -f velodyne`
 - merge pcap files: `mergecap -w output.pcap input.pcap input2.pcap [input3.pcap . . .]`
 
-### Steps for waypoint navigation (old)
+### Steps for waypoint navigation (old, onboard SDK may need updating)
 
 - Start drone with jetson onboard connected to ftdi chip.
 - Put controller into "F" mode.