the codes for isa bus in pc32/i386: the arch-independent is in sys/bus/isa, and a folder under that, i.e. i386, is for i396-specific. But also found another folder in sys/platform/pc32/isa that is arch-dependent. should the sys/bus/isa/i386/* be merged to sys/platform/pc32/isa/?
also, the sys/bus/isa/pnpeat.c (an i386-dependent file in the arch-independent folder) seems not used anywhere, remove it? Thanks Yonghong
