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.c b/drivers/net/wireless/iwlwifi/iwl-agn.c
index de0830d..5d2bd88 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn.c
@@ -2844,6 +2844,9 @@
 
 		iwl_send_lq_cmd(priv, iwl_rxon_ctx_from_vif(vif),
 				&sta_priv->lq_sta.lq, CMD_ASYNC, false);
+
+		IWL_INFO(priv, "Tx aggregation enabled on ra = %pM tid = %d\n",
+			 sta->addr, tid);
 		ret = 0;
 		break;
 	}