ASoC: cs35l41: Fixup the error messages

It is not idiomatic for ASoC to print the function name in the error
messages, however it is expected to show the return code. Update the
error messages to follow these conventions.

Signed-off-by: Charles Keepax <ckeepax@opensource.cirrus.com>
Link: https://lore.kernel.org/r/20210914141349.30218-5-ckeepax@opensource.cirrus.com


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