Enable systemd-resolved and systemd-networkd by default.
Make it co-exist with connman and Fix associated problems
in read-only rootfs.
Fixes [YOCTO #11331]
(From OE-Core rev: d9b6d538e3d81ab0d5e7b7b6adecef555d782217)
Signed-off-by: Maxin B. John <maxin.john@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>