ARM: dts: sun8i: reference tablet design: Enable PMIC power supplies

The A23/A33 reference tablet design has a DC barrel tied to the ACIN
of the PMIC. And being a tablet, it has a Li-Po battery.

Enable both power supplies in the device tree.
Signed-off-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>

arch/arm/boot/dts/sun8i-reference-design-tablet.dtsi

@@ -125,6 +125,14 @@ axp22x: pmic@3a3 {
 
 #include "axp223.dtsi"
 
+&ac_power_supply {
+	status = "okay";
+};
+
+&battery_power_supply {
+	status = "okay";
+};
+
 &reg_aldo1 {
 	regulator-always-on;
 	regulator-min-microvolt = <3000000>;