ARM: dts: socfpga: sodia: enable qspi

Enable the qspi controller on sodia board and add the flash chip
(n25q512a).
Signed-off-by: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
Signed-off-by: Dinh Nguyen <dinguyen@kernel.org>

arch/arm/boot/dts/socfpga_cyclone5_sodia.dts

@@ -121,3 +121,24 @@ &mmc0 {
 &usb1 {
 	status = "okay";
 };
+
+&qspi {
+        status = "okay";
+
+        flash0: n25q512a@0 {
+		#address-cells = <1>;
+		#size-cells = <1>;
+		compatible = "n25q512a";
+		reg = <0>;
+		spi-max-frequency = <100000000>;
+
+		m25p,fast-read;
+		cdns,page-size = <256>;
+		cdns,block-size = <16>;
+		cdns,read-delay = <4>;
+		cdns,tshsl-ns = <50>;
+		cdns,tsd2d-ns = <50>;
+		cdns,tchsh-ns = <4>;
+		cdns,tslch-ns = <4>;
+	};
+};