Change mfi_add_ld to "immediate command" mode since we need to enumerate potential boot disks during the probe so they are read for mount root.
Change mfi_add_ld to "immediate command" mode since we need to enumerate
potential boot disks during the probe so they are read for mount root.

Reviewed by:	ps, scottl

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