ARM: sun8i: sina33: add cpu-supply

This adds the cpu-supply DT property to the cpu0 DT node needed by
the board to adapt the regulator voltage depending on the currently used
OPP.
Signed-off-by: Quentin Schulz <quentin.schulz@free-electrons.com>
Acked-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>

arch/arm/boot/dts/sun8i-a33-sinlinx-sina33.dts

@@ -83,6 +83,10 @@ &codec {
 	status = "okay";
 };
 
+&cpu0 {
+	cpu-supply = <&reg_dcdc3>;
+};
+
 &de {
 	status = "okay";
 };