The firmware we use for the 1020/1020A (SBUS) cards doesn't seem to implement the commands necessary to do "big" SCSI commands (e.g. READ_CAPACITY_16). Bail out early on those cards instead of attempting to execute the unimplemented firmware command and failing to recover from it.
The firmware we use for the 1020/1020A (SBUS) cards doesn't seem to implement
the commands necessary to do "big" SCSI commands (e.g. READ_CAPACITY_16).
Bail out early on those cards instead of attempting to execute the
unimplemented firmware command and failing to recover from it.

ok krw@, deraadt@

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