Don't try to be clever and mix tag queueing mechanisms.  Few if any disks actually do queueing correctly. Keep it SIMPLE.  Fixes naddy@'s magic DNES disks on siop even if dlg@'s new midlayer is active.
Don't try to be clever and mix tag queueing mechanisms.  Few if any
disks actually do queueing correctly. Keep it SIMPLE.  Fixes naddy@'s
magic DNES disks on siop even if dlg@'s new midlayer is active.

ok marco@, tested by naddy@.

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