Merge tag 'tags/ib-mfd-for-iio-power-v6.12' into psy-next

Immutable branch between MFD, IIO and power-supply providing the
register definitions needed for AXP717 support in the axp20x
axp20x_battery and axp20x_usb_power drivers.

Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>