Better device probe values

[Warner Losh]

> Several typos, but that's minor.  Sounds ok to me.  Note that I think 
> BUS_PROBE_GENERIC might not really be enough though (PCI bridge drivers are 
> actually somewhat tricky, on x86 for PCI-PCI you have ACPI, PCIBIOS, MPTable, 
> and generic for example), but for more tricky cases we can still use numeric 
> values.
> 

Well, on x86 we have 3 different pci busses, but they aren't in any
more complicated a heirarchy than 'generic' or something that replaces
'generic.'  You won't have PCIBIOS and MPTable fighting for control of
a system, will you?

> s/HOOVER/ROOBA/ :)

:-)

Warner