without wdc or pciide. Closes kern/9842 from Gary Duzan.
appropriate. Fix several inconsistencies between device class and attributes. Mostly from Chris Demetriou.
now lives in dev/ic, wd now lives in dev/ata. there's now a 'ata' interface attribute defined in conf/files, but wdc can't go there yet because some ports still use private versions based on the old ISA version.