Revert "mac80211: don't advertise NL80211_FEATURE_FULL_AP_CLIENT_STATE"

This reverts commit 45bb780a,
the previous two patches fixed the functionality.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>

net/mac80211/main.c

@@ -541,7 +541,8 @@ struct ieee80211_hw *ieee80211_alloc_hw_nm(size_t priv_data_len,
 			   NL80211_FEATURE_HT_IBSS |
 			   NL80211_FEATURE_VIF_TXPOWER |
 			   NL80211_FEATURE_MAC_ON_CREATE |
-			   NL80211_FEATURE_USERSPACE_MPM;
+			   NL80211_FEATURE_USERSPACE_MPM |
+			   NL80211_FEATURE_FULL_AP_CLIENT_STATE;
 
 	if (!ops->hw_scan)
 		wiphy->features |= NL80211_FEATURE_LOW_PRIORITY_SCAN |