[qca-nss-drv] Register dentry once for interfaces run both cores

Currently, we are using one stats entry for interfaces that
run on both cores. Second entry creation is not needed.

Change-Id: I69c571908c2649eb4db671d56feac302bc87a93a
Signed-off-by: Cemil Coskun <ccoskun@codeaurora.org>
diff --git a/nss_stats.c b/nss_stats.c
index c02f001..516c85d 100644
--- a/nss_stats.c
+++ b/nss_stats.c
@@ -1,6 +1,6 @@
 /*
  **************************************************************************
- * Copyright (c) 2013-2018, The Linux Foundation. All rights reserved.
+ * Copyright (c) 2013-2019, The Linux Foundation. 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
  * above copyright notice and this permission notice appear in all copies.
@@ -100,7 +100,7 @@
 void nss_stats_create_dentry(char *name, const struct file_operations *ops)
 {
 	if (!debugfs_create_file(name, 0400, nss_top_main.stats_dentry, &nss_top_main, ops)) {
-		nss_warning("Faied to create debug entry for subsystem %s\n", name);
+		nss_warning("Failed to create debug entry for subsystem %s\n", name);
 	}
 }
 
@@ -367,7 +367,7 @@
 
 /*
  * nss_stats_clean()
- * 	Cleanup NSS statistics files
+ *	Cleanup NSS statistics files
  */
 void nss_stats_clean(void)
 {
@@ -382,7 +382,7 @@
 
 /*
  * nss_stats_init()
- * 	Enable NSS statistics
+ *	Enable NSS statistics
  */
 void nss_stats_init(void)
 {