[RFC] wpa_supplicant: add fast reconnect support

[Johannes Berg]

Hi Sam,

> When dropped by an AP for inactivity or because the session has timed
> out, try to re-join directly before falling back to a full scan and the
> normal work.  This reduces the time to re-join a network from 5+ seconds
> to ~300ms (not counting any time to renew DHCP).

I'm looking at this improvement right now as well, do you happen to have
a newer version of this patch to look at? Just figured I'd ask first
before I look at this version :-)

johannes