ns: Allow qrtr-ns to configure node id
ns: Allow qrtr-ns to configure node id

Instead of calling qrtr-cfg separately to configure the local address
just pass this as an argument to qrtr-ns, allowing us to run a single
command to instantiate qrtr.

Signed-off-by: Bjorn Andersson <6e6fda072d932515099508d6d220572c68e9add5@linaro.org>

andersson/qrtr,andersson/qrtr,andersson/qrtr