ASoC: soc-acpi-intel-ptl-match: add empty item to ptl_cs42l43_l3[]

An empty item is required to terminate the look up loop.

Fixes: ac5b4a24 ("ASoC: Intel: soc-acpi-intel-ptl-match: Add cs42l43 support")

Signed-off-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Reviewed-by: Naveen Manohar <naveen.m@intel.com>
Reviewed-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
Link: https://patch.msgid.link/20250423055722.6920-1-yung-chuan.liao@linux.intel.com


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