arm64: dts: ls1046a: Update QSPI node properties of ls1046ardb

Update the compatibles to use jedec,spi-nor.
Also update the max-frequency to 50MHz and spi-tx-bus-width to 1.

Align the QSPI node with other similar boards like(ls1088ardb,
ls1046afrwy) as per bindings.
Signed-off-by: Kuldeep Singh <kuldeep.singh@nxp.com>
Signed-off-by: Ashish Kumar <Ashish.Kumar@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

arch/arm64/boot/dts/freescale/fsl-ls1046a-rdb.dts

@@ -101,23 +101,23 @@ cpld: board-control@2,0 {
 &qspi {
 	status = "okay";
 
-	qflash0: flash@0 {
-		compatible = "spansion,m25p80";
+	s25fs512s0: flash@0 {
+		compatible = "jedec,spi-nor";
 		#address-cells = <1>;
 		#size-cells = <1>;
-		spi-max-frequency = <20000000>;
+		spi-max-frequency = <50000000>;
 		spi-rx-bus-width = <4>;
-		spi-tx-bus-width = <4>;
+		spi-tx-bus-width = <1>;
 		reg = <0>;
 	};
 
-	qflash1: flash@1 {
-		compatible = "spansion,m25p80";
+	s25fs512s1: flash@1 {
+		compatible = "jedec,spi-nor";
 		#address-cells = <1>;
 		#size-cells = <1>;
-		spi-max-frequency = <20000000>;
+		spi-max-frequency = <50000000>;
 		spi-rx-bus-width = <4>;
-		spi-tx-bus-width = <4>;
+		spi-tx-bus-width = <1>;
 		reg = <1>;
 	};
 };