qcacld-3.0: Add panic when net dev ref leak is detected

Currently, there is no panic when there is a net dev reference
leak. To catch the reference leak at the early stage, trigger
panic immediately after reference leak is detected.

Change-Id: Icbdd090dab50c8f695b5354c405f0506adce119d
CRs-Fixed: 2911563

core/hdd/src/wlan_hdd_main.c

@@ -5920,6 +5920,7 @@ static void hdd_check_for_net_dev_ref_leak(struct hdd_adapter *adapter)
 		if (i == MAX_NET_DEV_REF_LEAK_ITERATIONS) {
 			hdd_err("net_dev hold reference leak detected for debug id: %s",
 				net_dev_ref_debug_string_from_id(id));
+			QDF_BUG(0);
 		}
 	}
 }