This is the ONKEY driver of the Dialog DA9055 PMIC and depends on the
DA9055 MFD core driver.

This driver was functionally tested on SMDK6410 board.
Signed-off-by: NDavid Dajun Chen <dchen@diasemi.com>
Signed-off-by: NAshish Jangam <ashish.jangam@kpitcummins.com>
Signed-off-by: NDmitry Torokhov <dmitry.torokhov@gmail.com>