crda: synch up nl80211.h

This is needed to make DFS regulatory domain support work again.

Signed-off-by: Zefir Kurtisi <zefir.kurtisi@neratec.com>
Signed-off-by: Luis R. Rodriguez <mcgrof@do-not-panic.com>
crda: display DFS regulatory domain in regdbdump

Signed-off-by: Zefir Kurtisi <zefir.kurtisi@neratec.com>
Signed-off-by: Luis R. Rodriguez <mcgrof@do-not-panic.com>