There are two issues with this code.  The first error path forgot to set
the error code and instead returns success.  The second error path
doesn't clean up.

Fixes: 272b5edd ("ASoC: Add support for CS42L56 CODEC")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Link: https://lore.kernel.org/r/X9NE/9nK9/TuxuL+@mwandaSigned-off-by: Mark Brown <broonie@kernel.org>