There's a standard way of announcing VNC services over mDNS that x11vnc
supports, so respect the feature and enable/disable it.
Also re-order the statements and drop the redundant PR.
(From OE-Core rev: e5443a0b5a70bf054cbeb6ff1fd6b5ef9d2347f8)
Signed-off-by: Ross Burton <ross.burton@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>