The path isn't correct as we use /run/udev now, also /run/udev is the default
value, and eudev doesn't let you override it like this anyway.
(From OE-Core rev: 779259192c0d1687e5e82dbc8e45c33b29ae0588)
Signed-off-by: Ross Burton <ross.burton@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>