bce(4) with IPMI

[David Christensen]

> > Can't explain either but probably stable/6 bce(4) may have used old
> > firmware.
> 
> Ok, I can once again reach the IPMI controller if I remove this:
> 
> http://svnweb.freebsd.org/base/head/sys/dev/bce/if_bce.c?r1=210263&r2=21
> 0262&pathrev=210263
> 
> Since the driver has control over the interface, not "upping" the
> interface media causes the IPMI controller to not be able to access the
> network.  Ugh.
> 

That's the current design.  We could try moving bce_pulse() 
initialization from bce_attach() to bce_init() so the driver only 
takes control when you "up" the interface.

Dave