ARM: dts: imx6qdl-sabresd: add regulators control for mag3110 sensor

The mag3110 sensor driver has supported regulators control,
assign the power supplies for mag3110 to enable the control.
Signed-off-by: Anson Huang <Anson.Huang@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

arch/arm/boot/dts/imx6qdl-sabresd.dtsi

@@ -440,6 +440,8 @@ magnetometer@e {
 		pinctrl-0 = <&pinctrl_i2c3_mag3110_int>;
 		interrupt-parent = <&gpio3>;
 		interrupts = <16 IRQ_TYPE_EDGE_RISING>;
+		vdd-supply = <&reg_sensors>;
+		vddio-supply = <&reg_sensors>;
 	};
 
 	light-sensor@44 {