Bump up the firmware_table from 30 to 50.  bwn needs more than 30, it seems.
Bump up the firmware_table from 30 to 50.  bwn needs more than 30, it
seems.

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