mac80211: move some HT code out of mlme.c

Some of the HT code in mlme.c is misplaced:
 * constants/definitions belong to the ieee80211.h header
 * code being used in other modes as well shouldn't be there

Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/net/mac80211/Makefile b/net/mac80211/Makefile
index 376280a..1a7ac50 100644
--- a/net/mac80211/Makefile
+++ b/net/mac80211/Makefile
@@ -8,6 +8,7 @@
 	wep.o \
 	wpa.o \
 	scan.o \
+	ht.o \
 	mlme.o \
 	iface.o \
 	rate.o \