move the last direct users of mpi_{get,put}_ccb over to using the scsi ioh wrappers.
move the last direct users of mpi_{get,put}_ccb over to using the scsi
ioh wrappers.

orumin/openbsd-efivars,orumin/openbsd-efivars,orumin/openbsd-efivars,orumin/openbsd-efivars