wl1251: add hw scan completed debug message

The logs currently don't show when hw scan has completed, fix that.

Signed-off-by: Kalle Valo <kalle.valo@nokia.com>
Reviewed-by: Vidhya Govindan <vidhya.govindan@nokia.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/wl12xx/wl1251_event.c b/drivers/net/wireless/wl12xx/wl1251_event.c
index 7bd1b6a..00076c4 100644
--- a/drivers/net/wireless/wl12xx/wl1251_event.c
+++ b/drivers/net/wireless/wl12xx/wl1251_event.c
@@ -39,6 +39,7 @@
 		mutex_unlock(&wl->mutex);
 		ieee80211_scan_completed(wl->hw, false);
 		mutex_lock(&wl->mutex);
+		wl1251_debug(DEBUG_MAC80211, "mac80211 hw scan completed");
 		wl->scanning = false;
 	}