dts: arm: atmel: Add DAC support to SAM4S

Add DAC device tree entry for the Atmel SAM4S soc.

Signed-off-by: Ibe Van de Veire <ibe.vandeveire@basalte.be>

Author: IVandeVeire

dts/arm/atmel/sam4s.dtsi

@@ -232,6 +232,15 @@
 			status = "disabled";
 		};
 
+		dacc: dacc@4003c000 {
+			compatible = "atmel,sam-dac";
+			reg = <0x4003c000 0x4000>;
+			interrupts = <30 1>;
+			clocks = <&pmc PMC_TYPE_PERIPHERAL 30>;
+			status = "disabled";
+			#io-channel-cells = <1>;
+		};
+
 		rstc: rstc@400e1400 {
 			compatible = "atmel,sam-rstc";
 			reg = <0x400e1400 0x10>;