qcacmn: Add HAL layer changes for full monitor mode

Add HAL layer changes for full monitor mode.

Define HAL API and Data structures to read sw_monitor_ring
descriptor.

CRs-Fixed: 2630982
Change-Id: I015fa106d9da74222bef092d50e96fc70a117a4a

hal/wifi3.0/qca6490/hal_6490.c

@@ -1510,6 +1510,8 @@ struct hal_hw_txrx_ops qca6490_hal_hw_txrx_ops = {
 	hal_rx_get_flow_agg_continuation_6490,
 	hal_rx_get_flow_agg_count_6490,
 	hal_rx_get_fisa_timeout_6490,
+	NULL,
+	NULL,
 };
 
 struct hal_hw_srng_config hw_srng_table_6490[] = {