qcacmn: qcn9000 changes in rx flow identification

Rx flow indentification changes to provide
support on Qcn9000 target

Change-Id: I1b7ef8c93e38e753cb7014dca68148a4174daa82

hal/wifi3.0/qca5018/hal_5018.c

@@ -1498,7 +1498,8 @@ struct hal_hw_txrx_ops qca5018_hal_hw_txrx_ops = {
 	hal_rx_attn_offset_get_generic,
 	hal_rx_msdu_start_offset_get_generic,
 	hal_rx_mpdu_start_offset_get_generic,
-	hal_rx_mpdu_end_offset_get_generic
+	hal_rx_mpdu_end_offset_get_generic,
+	NULL
 };
 
 struct hal_hw_srng_config hw_srng_table_5018[] = {