Add support for BD9574MWF which is silimar chip with BD9571MWV.
Note that we don't support voltage rails VD{09,18,25,33} by this[...]
driver on BD9574. The VD09 voltage could be read from PMIC but that
is not supported by this commit.
Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@xxxxxxxxxxx>
Reviewed-by: Matti Vaittinen <matti.vaittinen@xxxxxxxxxxxxxxxxx>