This adds a DT node for the ADC of the PMIC so that there can be
consumers of its IIO channels declaring their consumptions via DT.
Signed-off-by: NQuentin Schulz <quentin.schulz@bootlin.com>
Acked-by: NChen-Yu Tsai <wens@csie.org>
Signed-off-by: NMaxime Ripard <maxime.ripard@bootlin.com>