message: apps/daemon: Describe the role of the daemon and how it works
diff: # Tof daemon
  -The daemon is written to be run on the Dragonboard.
  +For the target to be discoverable on the USB bus of a PC host, a certain program (uvc-gadget) needs to be run on the target. This daemon allows for the uvc-gadget to be started with a push of a button on the Time of Flight board.
  +This is done by monitoring the activity of a user hardware button on the Time of Flight mezzanine board through a GPIO driver. When the button gets pushed the daemon starts the uvc-gadget application and turns on a LED on the mezzanine. The uvc-gadget is terminated and the LED is turned off on the second push of the button.
  +The daemon is written to be run on the Dragonboard only.
  To make the daemon automatically start on boot:
  