Only warn about missing _PRT tables if bootverbose is set.  I've yet to see a bridge without a _PRT were a _PRT was needed.  Instead, the warning in dmesg is a false warning and only serves to cause unnecessary concern.
Only warn about missing _PRT tables if bootverbose is set.  I've yet to see
a bridge without a _PRT were a _PRT was needed.  Instead, the warning in
dmesg is a false warning and only serves to cause unnecessary concern.

MFC after:	1 week

jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase