ASoC: cs35l33: fix an error code in probe()

This error path returns zero (success) but it should return -EINVAL.

Fixes: 3333cb71

 ("ASoC: cs35l33: Initial commit of the cs35l33 CODEC driver.")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Charles Keepax <ckeepax@opensource.cirrus.com>
Link: https://lore.kernel.org/r/YKXuyGEzhPT35R3G@mwanda


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