ARM: dts: imx6: RDU2: add switch watchdog device

This adds the i2c device node for the ethernet switch watchdog.
Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

arch/arm/boot/dts/imx6qdl-zii-rdu2.dtsi

@@ -528,6 +528,11 @@ vgen6_reg: vgen6 {
 		};
 	};
 
+	watchdog@38 {
+		compatible = "zii,rave-wdt";
+		reg = <0x38>;
+	};
+
 	temp-sense@48 {
 		compatible = "national,lm75";
 		reg = <0x48>;