Default the CD-ROM devices to a single LUN only.  Too many of them are broken and respond to multiple LUNs.
Default the CD-ROM devices to a single LUN only.  Too many of them are
broken and respond to multiple LUNs.

Reviewed by:	rv@groa.uct.ac.za (Russell Vincent)

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