ARM: dts: imx6qdl-sabresd: add regulators control for mma8451 sensor

The mma8451 sensor driver has supported regulators control,
assign the power supplies for mma8451 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

@@ -250,6 +250,8 @@ accelerometer@1c {
 		pinctrl-0 = <&pinctrl_i2c1_mma8451_int>;
 		interrupt-parent = <&gpio1>;
 		interrupts = <18 IRQ_TYPE_LEVEL_LOW>;
+		vdd-supply = <&reg_sensors>;
+		vddio-supply = <&reg_sensors>;
 	};
 
 	ov5642: camera@3c {