[ofw] ib_portinfo_record_t padding history?

[Sean Hefty]

>> The padding looks wrong based on the IB spec.  PortInfoRecord should have
>> PortInfo as its last field.  The size of PortInfoRecord should be 58 bytes.
>
>I don't think that size for PortInfoRecord is correct as PortInfo is
>60 bytes with MaxCreditHint and LinkRtLatency.

The IB spec is wrong on table 194 (PortInfoRecord).  The PortInfo Length that's
given is too small.  I'll submit a bug against this.

- Sean