brcm63xx: probe SPI flash through DT

Now that we support problem the SPI controllers through DT, we can also
probe flash through DT.

Signed-off-by: Jonas Gorski <jonas.gorski@gmail.com>

target/linux/brcm63xx/dts/r5010unv2.dts

@@ -67,3 +67,35 @@
 	};
 };
 
+&hsspi {
+	status = "ok";
+
+	flash@0 {
+		compatible = "jedec,spi-nor";
+		spi-max-frequency = <16666667>;
+		spi-tx-bus-width = <2>;
+		spi-rx-bus-width = <2>;
+		reg = <0>;
+
+		#address-cells = <1>;
+		#size-cells = <1>;
+
+		linux,part-probe = "bcm63xxpart";
+
+		cfe@0 {
+			reg = <0x000000 0x010000>;
+			label = "cfe";
+			read-only;
+		};
+
+		linux@10000 {
+			reg = <0x010000 0x7e0000>;
+			label = "linux";
+		};
+
+		nvram@7f0000 {
+			reg = <0x7f0000 0x010000>;
+			label = "nvram";
+		};
+	};
+};