ath9k: Remove redundant data structure ath9k_txq_info

Use ath9k_tx_queue_info which contains the same elements,
and merge get/set functions of tx queue properties.
Also, fix whitespace damage in struct ath_softc.

Signed-off-by: Sujith Manoharan <Sujith.Manoharan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/ath9k/main.c b/drivers/net/wireless/ath9k/main.c
index 01bee5e..4cf0d26 100644
--- a/drivers/net/wireless/ath9k/main.c
+++ b/drivers/net/wireless/ath9k/main.c
@@ -700,7 +700,7 @@
 			 const struct ieee80211_tx_queue_params *params)
 {
 	struct ath_softc *sc = hw->priv;
-	struct ath9k_txq_info qi;
+	struct ath9k_tx_queue_info qi;
 	int ret = 0, qnum;
 
 	if (queue >= WME_NUM_AC)