When printing media with more than one media option set aggregate these in a comma delimited list instead of repeating "mediaopt" for each one. This matches how the options of the active media are printed with print_media_word() and brings us in line what NetBSD does.
When printing media with more than one media option set aggregate these
in a comma delimited list instead of repeating "mediaopt" for each one.
This matches how the options of the active media are printed with
print_media_word() and brings us in line what NetBSD does.

MFC after:	2 weeks

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