[LinuxBIOS] Adding a config option

[Richard Smith]

> > you have to disable the firewire to make legacy IO work.  So even
> > prior to early_serial.
> >
> > Sombody with an Epia-M (not ML) may want to verfiy all this.
>
> You want confirmation that that Firewire disabling is necessary for the
> Epia-M? I should be able to check this out in the next few days if
> someone else doesn't get there first; I've finally got to the point
> where my M10000 based project is ready to go ahead and have started
> testing again. Recent

Yeah.  just as a sanity check that that code is there for a reason. 
Board bring up is Voodo sometimes.

--
Richard A. Smith