bump the maximum cdb that the driver will take from the midlayer up to 16 bytes. if you want to use large volumes on ciss, you need ciss to chew the large scsi io commands.
bump the maximum cdb that the driver will take from the midlayer up to 16
bytes. if you want to use large volumes on ciss, you need ciss to chew the
large scsi io commands.

problem found and fix tested by johan

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