ARM: dts: vf610-zii-dev: enable vf610 builtin temp sensor

Vybrid has single internal temperature sensor connected to both internal
ADC modules.

vf610-zii-dev already has ADC0 enabled. Now, to get temperature sensor
captured by iio_hwmon driver, need to configure iio_hwmon node to use
that ADC.

Signed-off-by: Nikita Yushchenko <[e-mail]>
Acked-by: Stefan Agner <[e-mail]>
Signed-off-by: Shawn Guo <[e-mail]>

arch/arm/boot/dts/vf610-zii-dev.dtsi

···
 	status = "okay";
 };
 
+&tempsensor {
+	io-channels = <&adc0 16>;
+};
+
 &iomuxc {
 	pinctrl_adc0_ad5: adc0ad5grp {
 		fsl,pins = <

arch/arm/boot/dts/vfxxx.dtsi

···
 		mask = <0x1000>;
 	};
 
-	iio-hwmon {
+	tempsensor: iio-hwmon {
 		compatible = "iio-hwmon";
 		io-channels = <&adc0 16>, <&adc1 16>;
 	};