ARM: dts: lpc18xx: add adc nodes

Add nodes for the two 10-bit ADCs found on all lpc18xx SoCs.
Signed-off-by: Joachim Eastwood <manabian@gmail.com>

arch/arm/boot/dts/lpc18xx.dtsi

@@ -453,6 +453,24 @@ can0: can@400e2000 {
 			status = "disabled";
 		};
 
+		adc0: adc@400e3000 {
+			compatible = "nxp,lpc1850-adc";
+			reg = <0x400e3000 0x1000>;
+			interrupts = <17>;
+			clocks = <&ccu1 CLK_APB3_ADC0>;
+			resets = <&rgu 40>;
+			status = "disabled";
+		};
+
+		adc1: adc@400e4000 {
+			compatible = "nxp,lpc1850-adc";
+			reg = <0x400e4000 0x1000>;
+			interrupts = <21>;
+			clocks = <&ccu1 CLK_APB3_ADC1>;
+			resets = <&rgu 41>;
+			status = "disabled";
+		};
+
 		gpio: gpio@400f4000 {
 			compatible = "nxp,lpc1850-gpio";
 			reg = <0x400f4000 0x4000>;