IB/hfi1: Fix DC 8051 host info flag array

Fix info array of host message flags by adding entry
for link width downgrade and reverse values for
BC SMA and BC PWR_MSG messages

Reviewed-by: Jakub Byczkowski <jakub.byczkowski@intel.com>
Signed-off-by: Bartlomiej Dudek <bartlomiej.dudek@intel.com>
Signed-off-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>