[PATCH] libertas: implement new scanning logic

[Holger Schurig]

> So I tested this one, not the one from libertas-dev (which was
> posted a day earlier).  And this one seems fine.  Ack for
> commit to libertas-2.6.
>
> Would you like me to confirm on SDIO?

I now commit that to libertas-2.6, even without your 
SDIO-testing.