imx6sx: synchronise device tree with linux

Synchronise device tree with linux v6.0-rc1.

Signed-off-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
diff --git a/arch/arm/dts/imx6sx-sdb.dts b/arch/arm/dts/imx6sx-sdb.dts
index 5a63ca6..969cfe9 100644
--- a/arch/arm/dts/imx6sx-sdb.dts
+++ b/arch/arm/dts/imx6sx-sdb.dts
@@ -108,23 +108,23 @@
 	pinctrl-0 = <&pinctrl_qspi2>;
 	status = "okay";
 
-	flash0: n25q256a@0 {
+	flash0: flash@0 {
 		#address-cells = <1>;
 		#size-cells = <1>;
 		compatible = "micron,n25q256a", "jedec,spi-nor";
 		spi-max-frequency = <29000000>;
 		spi-rx-bus-width = <4>;
-		spi-tx-bus-width = <4>;
+		spi-tx-bus-width = <1>;
 		reg = <0>;
 	};
 
-	flash1: n25q256a@2 {
+	flash1: flash@2 {
 		#address-cells = <1>;
 		#size-cells = <1>;
 		compatible = "micron,n25q256a", "jedec,spi-nor";
 		spi-max-frequency = <29000000>;
 		spi-rx-bus-width = <4>;
-		spi-tx-bus-width = <4>;
+		spi-tx-bus-width = <1>;
 		reg = <2>;
 	};
 };