cfg80211: change wiphy_to_dev function name

Name wiphy_to_rdev is more accurate to describe what the function
does, i.e., return a pointer pointing to struct
cfg80211_registered_device.

Signed-off-by: Zhao, Gang <gamerh2o@gmail.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
diff --git a/net/wireless/util.c b/net/wireless/util.c
index d8b5995..7c47fa0 100644
--- a/net/wireless/util.c
+++ b/net/wireless/util.c
@@ -770,7 +770,7 @@
 
 void cfg80211_upload_connect_keys(struct wireless_dev *wdev)
 {
-	struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
+	struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
 	struct net_device *dev = wdev->netdev;
 	int i;