systemd: disable resolv.conf symlink unless resolved is enabled
The tmpfiles configuration in systemd unconditionally creates a symlink
from /etc/resolv.conf to the location where systemd's resolved service
will place the real file. This link is only appropriate when resolved
is enabled and running: its presence prevents connman or other systems
from providing a working resolv.conf when systemd is not assigned that
responsibility. OE has not yet enabled systemd's networkd or resolved
by default.
There is a TODO in the systemd source to fix this, but it has not been
addressed upstream. This patch comments out the corresponding line when
resolved is not enabled in the package configuration.
Signed-off-by: Peter A. Bigot <pab@pabigot.com> Signed-off-by: Ross Burton <ross.burton@intel.com>
