path: read the calibration prop on startup

We were reading this property in the udev backend, but not in the path
backend.

Reported-by: Thomas Olszak <olszak.tomasz@gmail.com>
Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>

src/path.c

@@ -171,6 +171,8 @@ path_device_enable(struct path_input *input,
 		goto out;
 	}
 
+	evdev_read_calibration_prop(device);
+
 out:
 	free(seat_name);
 	free(seat_logical_name);