mac80211: add vif to flush call

This will allow the low level driver to make decision based
on the vif such as queues etc...
Since the vif might be NULL, we can't add it to the tracing
functions.

Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
[fix staging rtl8821ae driver]
Signed-off-by: Johannes Berg <johannes.berg@intel.com>

drivers/net/wireless/ath/carl9170/main.c

@@ -1707,7 +1707,9 @@ found:
 	return 0;
 }
 
-static void carl9170_op_flush(struct ieee80211_hw *hw, u32 queues, bool drop)
+static void carl9170_op_flush(struct ieee80211_hw *hw,
+			      struct ieee80211_vif *vif,
+			      u32 queues, bool drop)
 {
 	struct ar9170 *ar = hw->priv;
 	unsigned int vid;