Increase the max ports to 12, 3G devices exist where the ppp endpoint is #9.
Increase the max ports to 12, 3G devices exist where the ppp endpoint is #9.

Requested by:	n_hibma

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