iwlwifi: support 11h

Set IEEE80211_HW_SPECTRUM_MGMT bit in hw->flags, this tell mac80211
we support spectrum mgmt.

Signed-off-by: Mohamed Abbas <mohamed.abbas@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

drivers/net/wireless/iwlwifi/iwl-core.c

@@ -1298,6 +1298,7 @@ int iwl_setup_mac(struct iwl_priv *priv)
 	hw->flags = IEEE80211_HW_SIGNAL_DBM |
 		    IEEE80211_HW_NOISE_DBM |
 		    IEEE80211_HW_AMPDU_AGGREGATION |
+		    IEEE80211_HW_SPECTRUM_MGMT |
 		    IEEE80211_HW_SUPPORTS_PS;
 	hw->wiphy->interface_modes =
 		BIT(NL80211_IFTYPE_STATION) |

drivers/net/wireless/iwlwifi/iwl3945-base.c

@@ -4904,7 +4904,8 @@ static int iwl3945_setup_mac(struct iwl_priv *priv)
 
 	/* Tell mac80211 our characteristics */
 	hw->flags = IEEE80211_HW_SIGNAL_DBM |
-		    IEEE80211_HW_NOISE_DBM;
+		    IEEE80211_HW_NOISE_DBM |
+		    IEEE80211_HW_SPECTRUM_MGMT;
 
 	hw->wiphy->interface_modes =
 		BIT(NL80211_IFTYPE_STATION) |