Update 69-hid.rules (#337)

`SUBSYSTEMS` should be used instead of `SUBSYSTEM` for "usb" match.

Fixes: #335

Author: stolk

udev/69-hid.rules

@@ -7,7 +7,7 @@
 # those of your device.
 
 # HIDAPI/libusb
-SUBSYSTEM=="usb", ATTRS{idVendor}=="04d8", ATTRS{idProduct}=="003f", TAG+="uaccess"
+SUBSYSTEMS=="usb", ATTRS{idVendor}=="04d8", ATTRS{idProduct}=="003f", TAG+="uaccess"
 
 # If you are using the hidraw implementation (linux/hid.c), then do something
 # like the following, substituting the VID and PID with your device.