ngnodemap must be set for rj45 type nodes as well, otherwise

ngnodemap must be set for rj45 type nodes as well, otherwise
deployCfg would break when attempting to connect an rj45 node to
whatever is on the other side of the link.

With this change plus a kernel-level fix to be submitted to p4
shortly communication to external world via "rj45" nodes should
work properly.

Bug found by:
Submitted by:
Reviewed by:
Approved by:
Obtained from: