Add MLINK for busdma(9) to bus_dma(9). This resolves confusion for at least 10 people.
Add MLINK for busdma(9) to bus_dma(9).
This resolves confusion for at least 10 people.

Suggested by:	Bruce M. Simpson <bms@spc.org>
Approved by:	des (mentor)

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