ARM: dts: at91: Add RSTC node

Add node for RSTC.

Signed-off-by: Sergiu Moga <sergiu.moga@microchip.com>
diff --git a/arch/arm/dts/sam9x60.dtsi b/arch/arm/dts/sam9x60.dtsi
index be44519..733cc5c 100644
--- a/arch/arm/dts/sam9x60.dtsi
+++ b/arch/arm/dts/sam9x60.dtsi
@@ -223,6 +223,12 @@
 				status = "okay";
 			};
 
+			reset_controller: rstc@fffffe00 {
+				compatible = "microchip,sam9x60-rstc";
+				reg = <0xfffffe00 0x10>;
+				clocks = <&clk32 0>;
+			};
+
 			pit: timer@fffffe40 {
 				compatible = "atmel,at91sam9260-pit";
 				reg = <0xfffffe40 0x10>;