Document the function or reason a driver is listed as not done in the
notes field (generally kvtop(), vtophys()).

Add/change the following conditions:

if_ed Nope
if_en Nope
if_idt Nope
if_ie Nope

aha OK
aic OK
asr Nope
buslogic Nope
dpt Nope

ida OK
ct Nope
digi Nope
drm Nope
exca OK
fb Nope
firewire Nope
hea Nope
hfa Nope
hifn OK