regulator: max8925: Remove unused parameter from max8925_regulator_dt_init

The info parameter is not used at all, remove it.

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Acked-by: Haojian Zhuang <haojian.zhuang@gmail.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>