InfiniBand is computer-networking communications standard
used in high-performance computing, features very high
throughput and very low latency.
This patch allow ironic-inspector to add the client_id
to ironic port extra. The client_id option allow pxe boot
from InfiniBand interface.
Closes-Bug: #1532534
Depends-On: Ifad453977e5d3be64b34e544f269835a72b4d73f
Change-Id: I479d54c29bcacb6bd5c1ab20033ae6e428b0e744