ASoC: soc_sdw_utils: drop bogus container_of() error handling

ASoC: soc_sdw_utils: drop bogus container_of() error handling

The dev_to_sdw_dev() helper uses container_of() to return the containing
soundwire device structure of its pointer argument and will never return
NULL.

Fixes: 4f8ef33dd44a ("ASoC: soc_sdw_utils: skip the endpoint that doesn't present")
Cc: Bard Liao <yung-chuan.liao@linux.intel.com>
Signed-off-by: Johan Hovold <johan@kernel.org>
Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
Link: https://patch.msgid.link/20251219142715.19254-4-johan@kernel.org
Signed-off-by: Mark Brown <broonie@kernel.org>