arm64: dts: ls208xa-qds: Fix the 'reg' property

The 'reg' property should match the corresponding @ address, so
fix it accordingly.
Signed-off-by: Fabio Estevam <fabio.estevam@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

arch/arm64/boot/dts/freescale/fsl-ls208xa-qds.dtsi

@@ -177,7 +177,7 @@ flash2: s25fl256s1@2 {
 		#size-cells = <1>;
 		compatible = "st,m25p80";
 		spi-max-frequency = <20000000>;
-		reg = <0>;
+		reg = <2>;
 	};
 };