Infiniband ports do not require the local_link_connection field to be
populated as the network topology is discoverable by the Infiniband
Subnet Manager.
This change removes the requirement for local_link_connection for
Infiniband ports. Infiniband ports have a client-id in their extra
field.
Closes-Bug: #1753222
Change-Id: I2bfac4ccaf825bd9aa8ea0d2b447fcd7767acbc5