hostapd: improved to compile in IEEE 802.11{n,r,w} support by default

Note:

- IEEE 802.11n
  Higher throughput improvements using MIMO (multiple input, multiple output
  antennas) (September 2009)
- IEEE 802.11r
  Fast BSS transition (FT) (2008)
- IEEE 802.11w
  Protected Management Frames (September 2009)

network/hostapd/hostapd.conf

@@ -20,6 +20,9 @@ CONFIG_DRIVER_NL80211=y
 CONFIG_PAM=y
 CONFIG_TLS=internal
 CONFIG_INTERNAL_LIBTOMMATH=y
+CONFIG_IEEE80211N=y
+CONFIG_IEEE80211R=y
+CONFIG_IEEE80211W=y
 __
 
 }