[MAC80211]: Add mac80211 wireless stack.

Add mac80211, the IEEE 802.11 software MAC layer.

Signed-off-by: Jiri Benc <jbenc@suse.cz>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/net/Kconfig b/net/Kconfig
index 2fc8e77..5b22278 100644
--- a/net/Kconfig
+++ b/net/Kconfig
@@ -220,6 +220,7 @@
 menu "Wireless"
 
 source "net/wireless/Kconfig"
+source "net/mac80211/Kconfig"
 source "net/ieee80211/Kconfig"
 
 endmenu