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 <[e-mail]>
Signed-off-by: Pierre-Louis Bossart <[e-mail]>
Reviewed-by: Bard Liao <[e-mail]>
Reviewed-by: Péter Ujfalusi <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]
Signed-off-by: Mark Brown <[e-mail]>

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 <[e-mail]>
 //

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 <[e-mail]>
 //

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 <[e-mail]>
  */