qcacld-3.0: Add qdf references in place of cdf

Replace CDF references with QDF references.

Change-Id: Ifb4571174719b5fce61dd305545d05628265f317
CRs-Fixed: 981188
diff --git a/core/hdd/inc/wlan_hdd_wext.h b/core/hdd/inc/wlan_hdd_wext.h
index c91add3..4ccdc82 100644
--- a/core/hdd/inc/wlan_hdd_wext.h
+++ b/core/hdd/inc/wlan_hdd_wext.h
@@ -249,8 +249,8 @@
 	/**auth key mgmt */
 	int32_t authKeyMgmt;
 
-	/* cdf event */
-	qdf_event_t hdd_cdf_event;
+	/* qdf event */
+	qdf_event_t hdd_qdf_event;
 
 	qdf_event_t scanevent;