mac802154: introduce hw_to_local function

This patch replace the mac802154_to_priv macro with a static inline
function named hw_to_local. This brings a similar naming convention like
mac80211 stack.

Signed-off-by: Alexander Aring <alex.aring@gmail.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
diff --git a/net/mac802154/rx.c b/net/mac802154/rx.c
index dc01817..1b5e8e3 100644
--- a/net/mac802154/rx.c
+++ b/net/mac802154/rx.c
@@ -49,7 +49,7 @@
 static void
 mac802154_subif_rx(struct ieee802154_hw *hw, struct sk_buff *skb, u8 lqi)
 {
-	struct ieee802154_local *local = mac802154_to_priv(hw);
+	struct ieee802154_local *local = hw_to_local(hw);
 
 	mac_cb(skb)->lqi = lqi;
 	skb->protocol = htons(ETH_P_IEEE802154);
@@ -90,7 +90,7 @@
 void
 ieee802154_rx_irqsafe(struct ieee802154_hw *hw, struct sk_buff *skb, u8 lqi)
 {
-	struct ieee802154_local *local = mac802154_to_priv(hw);
+	struct ieee802154_local *local = hw_to_local(hw);
 	struct rx_work *work;
 
 	if (!skb)