ASoC: cs35l56: Remove redundant return statement in cs35l56_spi_probe()

ASoC: cs35l56: Remove redundant return statement in cs35l56_spi_probe()

We have unreachable 'return ret' statement in cs35l56_spi_probe(),
delete it as its dead code..

This is found by static analysis with smatch.

Fixes: e49611252900 ("ASoC: cs35l56: Add driver for Cirrus Logic CS35L56")
Signed-off-by: Harshit Mogalapalli <harshit.m.mogalapalli@oracle.com>
Reviewed-by: Richard Fitzgerald <rf@opensource.cirrus.com>
Link: https://lore.kernel.org/r/20230324145535.3951689-1-harshit.m.mogalapalli@oracle.com
Signed-off-by: Mark Brown <broonie@kernel.org>