Zero cpi->target_sprt since atapi-cam does not support target mode.  This gets rid of annoying messages when targbh tries to attach to the ATA bus and gets rejected.
Zero cpi->target_sprt since atapi-cam does not support target mode.  This
gets rid of annoying messages when targbh tries to attach to the ATA bus
and gets rejected.

MFC after:	1 day

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