MAINTAINERS: update Johannes Berg's entries

Update my MAINTAINERS file entries to list all the right files.
Since I'm also the de-facto wireless extensions maintainer,
there's little point in excluding those.

Signed-off-by: Johannes Berg <[e-mail]>

MAINTAINERS

···
 F:	drivers/auxdisplay/cfag12864bfb.c
 F:	include/linux/cfag12864b.h
 
-CFG80211 and NL80211
+802.11 (including CFG80211/NL80211)
 M:	Johannes Berg <[e-mail]>
 L:	[e-mail]
 W:	http://wireless.kernel.org/
 T:	git git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211.git
 T:	git git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211-next.git
 S:	Maintained
+F:	net/wireless/
 F:	include/uapi/linux/nl80211.h
+F:	include/linux/ieee80211.h
+F:	include/net/wext.h
 F:	include/net/cfg80211.h
-F:	net/wireless/*
-X:	net/wireless/wext*
+F:	include/net/iw_handler.h
+F:	include/net/ieee80211_radiotap.h
+F:	Documentation/driver-api/80211/cfg80211.rst
+F:	Documentation/networking/regulatory.txt
 
 CHAR and MISC DRIVERS
 M:	Arnd Bergmann <[e-mail]>
···
 F:	include/net/mac80211.h
 F:	net/mac80211/
 F:	drivers/net/wireless/mac80211_hwsim.[ch]
+F:	Documentation/networking/mac80211_hwsim/README
 
 MAILBOX API
 M:	Jassi Brar <[e-mail]>
···
 T:	git git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211-next.git
 S:	Maintained
 F:	Documentation/rfkill.txt
+F:	Documentation/ABI/stable/sysfs-class-rfkill
 F:	net/rfkill/
 
 RHASHTABLE