regulator: fan53555: Use dev_err_probe

Use dev_err_probe() instead of dev_err() in the probe function, which
ensures the error code is always printed and, additionally, simplifies
the code a bit.

Signed-off-by: Cristian Ciocaltea <cristian.ciocaltea@collabora.com>
Link: https://lore.kernel.org/r/20230406194158.963352-8-cristian.ciocaltea@collabora.com


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