USB HID like touch screen could be presented as hidraw* device, this change
make user under rootless X can access them.
(From OE-Core rev: ddb54d4a467b51f5f8f305f532bd5ea64df92876)
Signed-off-by: Zhai Edwin <edwin.zhai@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>