ath9k: Add spectrum management to HW capabilities

Signed-off-by: Sujith <Sujith.Manoharan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

drivers/net/wireless/ath9k/main.c

@@ -1582,7 +1582,8 @@ void ath_set_hw_capab(struct ath_softc *sc, struct ieee80211_hw *hw)
 		IEEE80211_HW_SIGNAL_DBM |
 		IEEE80211_HW_AMPDU_AGGREGATION |
 		IEEE80211_HW_SUPPORTS_PS |
-		IEEE80211_HW_PS_NULLFUNC_STACK;
+		IEEE80211_HW_PS_NULLFUNC_STACK |
+		IEEE80211_HW_SPECTRUM_MGMT;
 
 	if (AR_SREV_9160_10_OR_LATER(sc->sc_ah) || modparam_nohwcrypt)
 		hw->flags |= IEEE80211_HW_MFP_CAPABLE;