Decrease log verbosity in the kernel modules

Changed several logs level from info to dbg and removed redundant or
uninformative logging in order to reduce verbosity of the kernel
modules.

Change-Id: Ie9ff7f3ae6478007ea58547380b3ddfef5d280b4
Signed-off-by: Ledion Daja <ledion.daja@arm.com>
diff --git a/kernel/ethosu_capabilities.c b/kernel/ethosu_capabilities.c
index 83bd8cf..2c2d23a 100644
--- a/kernel/ethosu_capabilities.c
+++ b/kernel/ethosu_capabilities.c
@@ -1,5 +1,6 @@
 /*
- * Copyright 2022-2023 Arm Limited and/or its affiliates
+ * SPDX-FileCopyrightText: Copyright 2022-2023 Arm Limited and/or its affiliates <open-source-office@arm.com>
+ * SPDX-License-Identifier: GPL-2.0-only
  *
  * This program is free software and is provided to you under the terms of the
  * GNU General Public License version 2 as published by the Free Software
@@ -15,7 +16,6 @@
  * along with this program; if not, you can access it online at
  * http://www.gnu.org/licenses/gpl-2.0.html.
  *
- * SPDX-License-Identifier: GPL-2.0-only
  */
 
 /****************************************************************************
@@ -123,8 +123,8 @@
 	if (ret < 0)
 		goto kfree;
 
-	dev_info(dev, "Capabilities create. Id=%d, handle=0x%p\n",
-		 cap->msg.id, cap);
+	dev_dbg(dev, "Capabilities create. Id=%d, handle=0x%p\n",
+		cap->msg.id, cap);
 
 	ret = ethosu_capabilities_send(cap, mailbox);
 	if (0 != ret)
@@ -156,8 +156,8 @@
 	ethosu_mailbox_deregister(mailbox, &cap->msg);
 
 kfree:
-	dev_info(dev, "Capabilities destroy. Id=%d, handle=0x%p\n",
-		 cap->msg.id, cap);
+	dev_dbg(dev, "Capabilities destroy. Id=%d, handle=0x%p\n",
+		cap->msg.id, cap);
 	devm_kfree(dev, cap);
 
 	return ret;