Implement bus_dmamap_load_mbuf/bus_dmamap_load_uio. Tested load_mbuf with GEM ethernet driver.
Implement bus_dmamap_load_mbuf/bus_dmamap_load_uio.
Tested load_mbuf with GEM ethernet driver.

Submitted by: Hiten Pandya <hiten@unixdaemons.com> (modified by grehan)

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