ASoC: codecs: 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.
Acked-by: Cezary Rojewski <cezary.rojewski@intel.com>
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Reviewed-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Reviewed-by: Péter Ujfalusi <peter.ujfalusi@linux.intel.com>
Link: https://lore.kernel.org/r/20240503140359.259762-5-pierre-louis.bossart@linux.intel.comSigned-off-by: Mark Brown <broonie@kernel.org>

sound/soc/codecs/hda-dai.c

 // SPDX-License-Identifier: GPL-2.0
 //
-// Copyright(c) 2021-2022 Intel Corporation. All rights reserved.
+// Copyright(c) 2021-2022 Intel Corporation
 //
 // Author: Cezary Rojewski <cezary.rojewski@intel.com>
 //

sound/soc/codecs/hda.c

 // SPDX-License-Identifier: GPL-2.0
 //
-// Copyright(c) 2021-2022 Intel Corporation. All rights reserved.
+// Copyright(c) 2021-2022 Intel Corporation
 //
 // Author: Cezary Rojewski <cezary.rojewski@intel.com>
 //

sound/soc/codecs/hda.h

 /* SPDX-License-Identifier: GPL-2.0 */
 /*
- * Copyright(c) 2021-2022 Intel Corporation. All rights reserved.
+ * Copyright(c) 2021-2022 Intel Corporation
  *
  * Author: Cezary Rojewski <cezary.rojewski@intel.com>
  */