qcacmn: Enable the 4th Tx. completion ring

Enable the 4th Tx. completion ring to save CPU load
Initialization and interrupt handling for 4th completion ring
is done here.

Change-Id: I2db27218a3c3e14d719d012f03454a6a7aa647fe

hal/wifi3.0/qca5018/hal_5018.c

@@ -1,6 +1,6 @@
 /*
  * Copyright (c) 2016-2021 The Linux Foundation. All rights reserved.
- * Copyright (c) 2021 Qualcomm Innovation Center, Inc. All rights reserved.
+ * Copyright (c) 2021-2022 Qualcomm Innovation Center, Inc. All rights reserved.
  *
  * Permission to use, copy, modify, and/or distribute this software for
  * any purpose with or without fee is hereby granted, provided that the
@@ -2119,7 +2119,7 @@ struct hal_hw_srng_config hw_srng_table_5018[] = {
 	},
 	{ /* WBM2SW_RELEASE */
 		.start_ring_id = HAL_SRNG_WBM2SW0_RELEASE,
-		.max_rings = 4,
+		.max_rings = 5,
 		.entry_size = sizeof(struct wbm_release_ring) >> 2,
 		.lmac_ring = FALSE,
 		.ring_dir = HAL_SRNG_DST_RING,