Follow the exact same structure as evdevmouse and keyboard.
We must do monitoring via device discovery just like we do for keyboards and mice.
Otherwise the usage of touchscreens that connect via USB or can be turned on/off
independently from the board becomes troublesome.
Change-Id: I2de3b519e8d617b0612e5df486e481bbc09b9c8c
Reviewed-by: Andy Nichols <andy.nichols@theqtcompany.com>
2314286883