ARM: dts: imx6qdl-zii-rdu2: Specify supplies for accelerometer

Specify 'vdd' and 'vddio' supplies for accelerometer to avoid warnings
during boot.
Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
Cc: Fabio Estevam <festevam@gmail.com>
Cc: Chris Healy <cphealy@gmail.com>
Cc: Lucas Stach <l.stach@pengutronix.de>
Cc: Shawn Guo <shawnguo@kernel.org>
Cc: linux-arm-kernel@lists.infradead.org,
Cc: linux-kernel@vger.kernel.org
Reviewed-by: Lucas Stach <l.stach@pengutronix.de>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

arch/arm/boot/dts/imx6qdl-zii-rdu2.dtsi

@@ -360,6 +360,8 @@ accel@1c {
 		interrupt-parent = <&gpio1>;
 		interrupt-names = "INT2";
 		interrupts = <20 IRQ_TYPE_LEVEL_LOW>;
+		vdd-supply = <&reg_3p3v>;
+		vddio-supply = <&reg_3p3v>;
 	};
 
 	hpa2: amp@60 {