[ydl-gen] ydl 5.0.2, anaconda doesn't recognize external firewire after hard drive error

[Kai Staats]

YDL v5.x does not support installation to FireWire nor USB drives. Only the 
drive internal to the machine. Support for FireWire drives existed only in 
the v4.x product.

> When yaboot started up from YDL 5.0.2 CD number 1, I entered:
>
>    install firewire