armv8: dts: ls2088aqds : Add ds3232 node

Add the ds3232-rtc node under the i2c0->i2c-mux@77->i2c@0 for ls2088aqds
boards.

Signed-off-by: Chuanhua Han <chuanhua.han@nxp.com>
Reviewed-by: Prabhakar Kushwaha <prabhakar.kushwaha@nxp.com>
diff --git a/arch/arm/dts/fsl-ls2080a-qds.dts b/arch/arm/dts/fsl-ls2080a-qds.dts
index 2a0a528..13461b5 100644
--- a/arch/arm/dts/fsl-ls2080a-qds.dts
+++ b/arch/arm/dts/fsl-ls2080a-qds.dts
@@ -19,6 +19,25 @@
 	};
 };
 
+&i2c0 {
+	status = "okay";
+	pca9547@77 {
+		compatible = "nxp,pca9547";
+		reg = <0x77>;
+		#address-cells = <1>;
+		#size-cells = <0>;
+		i2c@0 {
+			#address-cells = <1>;
+			#size-cells = <0>;
+			reg = <0x00>;
+			rtc@68 {
+				compatible = "dallas,ds3232";
+				reg = <0x68>;
+			};
+		};
+	};
+};
+
 &dspi {
 	bus-num = <0>;
 	status = "okay";