The comparison result was wrong, and the device syspath always differs
anyway between two different subsystems. We need to compare the parent
device syspath.

The input subsystem devices also needs to be deduplicated between eventX
devices and jsX devices.
Signed-off-by: Rémi Bernon <rbernon@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>