hifn support

[M. Warner Losh]

In message: <1266442999.2149.42.camel at brain.lan.terror.local>
            Florian Kruegl <smeagle at bsdler.de> writes:
: no interrupts no functionality, now I wonder if this driver is broken,
: or if I should try to specify some interrupts via hints file. I already
: tried a few but the only change was that I now got hifn1 instead of
: hifn0. So I guess they were the wrong ones.

We're seeing interrupts from the atheros card.  Also, we should be
talking to the device as little endian, even on a big endian CPU.  The
bus space should translate.  Maybe it isn't?  Maybe the atheros hal
bypasses bus space?

Warner