ARM: dts: rockchip: Enable SFC for edgeble-neu2

Enable on module SPI Flash present in Edgeble Neu2.
Tested-by: Jagan Teki <jagan@edgeble.ai>
Signed-off-by: Stephen Chen <stephen@radxa.com>
Link: https://lore.kernel.org/r/20230731103518.2906147-12-jagan@edgeble.aiSigned-off-by: Heiko Stuebner <heiko@sntech.de>

arch/arm/boot/dts/rockchip/rv1126-edgeble-neu2.dtsi

@@ -301,6 +301,22 @@ &saradc {
 	status = "okay";
 };
 
+&sfc {
+	pinctrl-names = "default";
+	pinctrl-0 = <&fspi_pins>;
+	#address-cells = <1>;
+	#size-cells = <0>;
+	status = "okay";
+
+	flash@0 {
+		compatible = "jedec,spi-nor";
+		reg = <0>;
+		spi-max-frequency = <50000000>;
+		spi-rx-bus-width = <4>;
+		spi-tx-bus-width = <1>;
+	};
+};
+
 &sdio {
 	bus-width = <4>;
 	cap-sd-highspeed;