arm: dts: ls1028a: Add FSPI node properties

Align flexspi node properties with linux device-tree properties
Tested on LS1028A-RDB

Signed-off-by: Kuldeep Singh <kuldeep.singh@nxp.com>
Reviewed-by: Priyanka Jain <priyanka.jain@nxp.com>

arch/arm/dts/fsl-ls1028a-qds.dts

@@ -13,6 +13,10 @@
 / {
 	model = "NXP Layerscape 1028a QDS Board";
 	compatible = "fsl,ls1028a-qds", "fsl,ls1028a";
+	aliases {
+		spi0 = &fspi;
+	};
+
 };
 
 &dspi0 {
@@ -36,6 +40,18 @@
 
 };
 
+&fspi {
+	status = "okay";
+
+	mt35xu02g0: flash@0 {
+		#address-cells = <1>;
+		#size-cells = <1>;
+		compatible = "jedec,spi-nor";
+		spi-max-frequency = <50000000>;
+		reg = <0>;
+	};
+};
+
 &i2c0 {
 	status = "okay";
 	u-boot,dm-pre-reloc;

arch/arm/dts/fsl-ls1028a-rdb.dts

@@ -13,6 +13,9 @@
 / {
 	model = "NXP Layerscape 1028a RDB Board";
 	compatible = "fsl,ls1028a-rdb", "fsl,ls1028a";
+	aliases {
+		spi0 = &fspi;
+	};
 };
 
 &dspi0 {
@@ -36,6 +39,18 @@
 	mmc-hs200-1_8v;
 };
 
+&fspi {
+	status = "okay";
+
+	mt35xu02g0: flash@0 {
+		#address-cells = <1>;
+		#size-cells = <1>;
+		compatible = "jedec,spi-nor";
+		spi-max-frequency = <50000000>;
+		reg = <0>;
+	};
+};
+
 &i2c0 {
 	status = "okay";
 	u-boot,dm-pre-reloc;