ARM: dts: imx7ulp: Add wdog1 node

Add wdog1 node to support watchdog driver.

Signed-off-by: Anson Huang <[e-mail]>
Signed-off-by: Shawn Guo <[e-mail]>

arch/arm/boot/dts/imx7ulp.dtsi

···
 			#clock-cells = <1>;
 		};
 
+		wdog1: watchdog@403d0000 {
+			compatible = "fsl,imx7ulp-wdt";
+			reg = <0x403d0000 0x10000>;
+			interrupts = <GIC_SPI 55 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&pcc2 IMX7ULP_CLK_WDG1>;
+			assigned-clocks = <&pcc2 IMX7ULP_CLK_WDG1>;
+			assigned-clocks-parents = <&scg1 IMX7ULP_CLK_FIRC_BUS_CLK>;
+			timeout-sec = <40>;
+		};
+
 		pcc2: clock-controller@403f0000 {
 			compatible = "fsl,imx7ulp-pcc2";
 			reg = <0x403f0000 0x10000>;