cfg80211: process user regulatory requests on its own

This makes the code path easier to read and lets us
split out some functionality that is only user specific,
that makes it easier to read the other types of requests.

Signed-off-by: Luis R. Rodriguez <mcgrof@do-not-panic.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>

diff --cc net/wireless/reg.c
Simple merge