ARM: dts: kirkwood: Add the hardware monitor to the NSA320 device tree

Add an entry for the hardware monitoring MCU

[gregory.clement@free-electrons.com: rename the title to use the
"standard" format]
Signed-off-by: Adam Baker <linux@baker-net.org.uk>
Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com>

arch/arm/boot/dts/kirkwood-nsa320.dts

@@ -193,10 +193,19 @@ red-copy {
 		};
 	};
 
+	hwmon {
+		compatible = "zyxel,nsa320-mcu";
+		pinctrl-0 = <&pmx_mcu_data &pmx_mcu_clk &pmx_mcu_act>;
+		pinctrl-names = "default";
+
+		data-gpios = <&gpio0 14 GPIO_ACTIVE_HIGH>;
+		clk-gpios = <&gpio0 16 GPIO_ACTIVE_HIGH>;
+		act-gpios = <&gpio0 17 GPIO_ACTIVE_LOW>;
+	};
+
 	/* The following pins are currently not assigned to a driver,
 	   some of them should be configured as inputs.
-	pinctrl-0 = <&pmx_mcu_data &pmx_mcu_clk &pmx_mcu_act
-		     &pmx_htp &pmx_vid_b1
+	pinctrl-0 = <&pmx_htp &pmx_vid_b1
 		     &pmx_power_resume_data &pmx_power_resume_clk>; */
 };