ASoC: amd: ps: Update copyright notice

The most recent changes to ASoC, such as new module parameters, date to the
year 2023. Update copyright statement accordingly.

Signed-off-by: Carlos Bilbao <carlos.bilbao@amd.com>
Link: https://lore.kernel.org/r/20230420180212.3101178-1-carlos.bilbao@amd.com


Signed-off-by: Mark Brown <broonie@kernel.org>