p54: remove get_tx_stats() mac80211 op

get_tx_stats() will be removed from mac80211.

p54 uses struct ieee80211_tx_queue_stats also internally, so create a new
identical struct p54_tx_queue_stats which the driver can use.

Compile-tested only.

Signed-off-by: Kalle Valo <kalle.valo@iki.fi>
Tested-by: Christian Lamparter <chunkeey@googlemail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/p54/txrx.c b/drivers/net/wireless/p54/txrx.c
index b6dda2b..0e8f694 100644
--- a/drivers/net/wireless/p54/txrx.c
+++ b/drivers/net/wireless/p54/txrx.c
@@ -183,7 +183,7 @@
 				       struct sk_buff *skb,
 				       const u16 p54_queue)
 {
-	struct ieee80211_tx_queue_stats *queue;
+	struct p54_tx_queue_stats *queue;
 	unsigned long flags;
 
 	if (WARN_ON(p54_queue > P54_QUEUE_NUM))