regulator: fan53880: Convert to use .probe_new

Use the new .probe_new for fan53880.

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Acked-by: Christoph Fritz <chf.fritz@googlemail.com>
Link: https://lore.kernel.org/r/20210517105325.1227393-2-axel.lin@ingics.com


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