atheros adhoc mode

[Sam Leffler]

> This is from current built within the last week, I see the problem in
> both B & G mode and all other radios are B, haven't been able to try A
> yet.
> 
> I haven't tried the debug yet, I'll try that.
> 
> I did a search and I think I found the bug you mention, but couldn't find
> it was fixed.

The fix should be in the HAL that's in the tree (just verified).  Need more
info please.  At the very least try sending me config information.  I've
successfully used 5212-based cards and Prism-based cards in adhoc mode.

	Sam