ARM: kirkwood: ib62x0: add u-boot environment partition

Also, add some trivial whitespace cleanup.
Signed-off-by: Luka Perkov <luka@openwrt.org>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>

arch/arm/boot/dts/kirkwood-ib62x0.dts

@@ -43,6 +43,7 @@ pmx_button_usb_copy: pmx-button-usb-copy {
 				marvell,function = "gpio";
 			};
 		};
+
 		serial@12000 {
 			status = "okay";
 		};
@@ -71,6 +72,7 @@ button@2 {
 			gpios = <&gpio0 28 1>;
 		};
 	};
+
 	gpio-leds {
 		compatible = "gpio-leds";
 		pinctrl-0 = <&pmx_led_os_red &pmx_led_os_green
@@ -91,14 +93,13 @@ usb-copy {
 			gpios = <&gpio0 27 0>;
 		};
 	};
+
 	gpio_poweroff {
 		compatible = "gpio-poweroff";
 		pinctrl-0 = <&pmx_power_off>;
 		pinctrl-names = "default";
 		gpios = <&gpio0 24 0>;
 	};
-
-
 };
 
 &nand {
@@ -108,7 +109,12 @@ &nand {
 
 	partition@0 {
 		label = "u-boot";
-		reg = <0x0000000 0x100000>;
+		reg = <0x0000000 0xe0000>;
+	};
+
+	partition@e0000 {
+		label = "u-boot environment";
+		reg = <0xe0000 0x100000>;
 	};
 
 	partition@100000 {
@@ -134,6 +140,7 @@ ethphy0: ethernet-phy@8 {
 
 &eth0 {
 	status = "okay";
+
 	ethernet0-port@0 {
 		phy-handle = <&ethphy0>;
 	};