soundwire: Intel: clarify Copyright information

For some reason a number of files included the "All rights reserved"
statement. Good old copy-paste made sure this mistake proliferated.

Remove the "All rights reserved" in all Intel-copyright to align with
internal guidance.

Reviewed-by: Cezary Rojewski <cezary.rojewski@intel.com>
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Reviewed-by: Péter Ujfalusi <peter.ujfalusi@linux.intel.com>
Signed-off-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Link: https://lore.kernel.org/r/20240617121318.14037-1-yung-chuan.liao@linux.intel.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>

Author: plbossart

drivers/soundwire/intel_ace2x.c

@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause)
-// Copyright(c) 2023 Intel Corporation. All rights reserved.
+// Copyright(c) 2023 Intel Corporation
 
 /*
  * Soundwire Intel ops for LunarLake

drivers/soundwire/intel_ace2x_debugfs.c

@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: GPL-2.0-only
-// Copyright(c) 2023 Intel Corporation. All rights reserved.
+// Copyright(c) 2023 Intel Corporation
 
 #include <linux/acpi.h>
 #include <linux/debugfs.h>

drivers/soundwire/intel_bus_common.c

@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause)
-// Copyright(c) 2015-2023 Intel Corporation. All rights reserved.
+// Copyright(c) 2015-2023 Intel Corporation
 
 #include <linux/acpi.h>
 #include <linux/soundwire/sdw_registers.h>