linux-phytec-fsl

mfd: axp209x: Drop the parent supplies field

Now that the regulator code get its parent supplies purely from the DT, we can
drop the parent supplies resources in the MFD driver.

Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>