brcm63xx: Add DT support for P870HW-51a

Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
[jogo: fix nvram partition offset]
Signed-off-by: Jonas Gorski <jogo@openwrt.org>

SVN-Revision: 42248

target/linux/brcm63xx/dts/p870hw-51a-v2.dts

@@ -0,0 +1,30 @@
+/dts-v1/;
+
+/include/ "bcm6368.dtsi"
+
+/ {
+	model = "Zyxel P870HW-51a v2";
+	compatible = "zyxel,p870hw-51a-v2", "brcm,bcm6368";
+};
+
+&pflash {
+	status = "ok";
+
+	linux,part-probe = "bcm63xxpart";
+
+	cfe@0 {
+		label = "CFE";
+		reg = <0x000000 0x010000>;
+		read-only;
+	};
+
+	linux@10000 {
+		label = "linux";
+		reg = <0x010000 0x3e0000>;
+	};
+
+	nvram@3f0000 {
+		label = "nvram";
+		reg = <0x3f0000 0x010000>;
+	};
+};