IB/hfi1: Explain state complete frame details

When link up fails in LNI, the local and peer state complete
frames are reported as numbers.  Explain what the values mean
so the operator can better diagnose the problem.

Reviewed-by: Easwar Hariharan <easwar.hariharan@intel.com>
Signed-off-by: Dean Luick <dean.luick@intel.com>
Signed-off-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>