iwlagn: change log to better represent the state of aggregation process

Multiple A-MPDU actions will received from mac80211 while setting up the
aggregation queue, change the message log to better represent the states.

Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-tx.c b/drivers/net/wireless/iwlwifi/iwl-agn-tx.c
index ce7b491..8bd48f6 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn-tx.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn-tx.c
@@ -1033,8 +1033,8 @@
 	if (unlikely(tx_fifo < 0))
 		return tx_fifo;
 
-	IWL_WARN(priv, "%s on ra = %pM tid = %d\n",
-			__func__, sta->addr, tid);
+	IWL_DEBUG_HT(priv, "TX AGG request on ra = %pM tid = %d\n",
+		     sta->addr, tid);
 
 	sta_id = iwl_sta_id(sta);
 	if (sta_id == IWL_INVALID_STATION) {