Fix the EDMA CABQ handling - for now, the CABQ takes a descriptor chain like the legacy chips expect.
Fix the EDMA CABQ handling - for now, the CABQ takes a descriptor chain
like the legacy chips expect.

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