MFC: Fix support for multiple rocketport cards in the same machine.  This is an instant MFC as it was actually tested on 5.x and 6.x.  Note that like the change to HEAD, this renames the devices, and there is no easy way on 6.x to create compatibility names in the kernel.
MFC: Fix support for multiple rocketport cards in the same machine.  This
is an instant MFC as it was actually tested on 5.x and 6.x.  Note that like
the change to HEAD, this renames the devices, and there is no easy way on
6.x to create compatibility names in the kernel.

Reviewed by:	phk
Tested by:	Jim Pazarena paz at qcislands dot net

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