Exynos54xx: dts: add ADC node

This commit adds common ADC node, which is disabled as default.

Signed-off-by: Przemyslaw Marczak <p.marczak@samsung.com>
Cc: Minkyu Kang <mk7.kang@samsung.com>
Cc: Simon Glass <sjg@chromium.org>
Reviewed-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Minkyu Kang <mk7.kang@samsung.com>

arch/arm/dts/exynos54xx.dtsi

@@ -42,6 +42,13 @@
 		xhci1 = "/xhci@12400000";
 	};
 
+	adc@12D10000 {
+		compatible = "samsung,exynos-adc-v2";
+		reg = <0x12D10000 0x100>;
+		interrupts = <0 106 0>;
+		status = "disabled";
+	};
+
 	i2c@12CA0000 {
 		#address-cells = <1>;
 		#size-cells = <0>;