ARM: dts: freescale: add bootph-all to i.MX7ULP watchdog nodes

Add the bootph-all property to ULP watchdog nodes for i.MX7ULP, ensuring
the watchdog is available during all boot phases.

Signed-off-by: Alice Guo <alice.guo@nxp.com>
Signed-off-by: Frank Li <Frank.Li@nxp.com>

Author: Alice Guo

arch/arm/boot/dts/nxp/imx/imx7ulp.dtsi

@@ -297,6 +297,18 @@
 			clock-names = "divcore", "hsrun_divcore";
 		};
 
+		wdog2: watchdog@40430000 {
+			compatible = "fsl,imx7ulp-wdt";
+			reg = <0x40430000 0x10000>;
+			interrupts = <GIC_SPI 56 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&pcc2 IMX7ULP_CLK_WDG2>;
+			assigned-clocks = <&pcc2 IMX7ULP_CLK_WDG2>;
+			assigned-clock-parents = <&scg1 IMX7ULP_CLK_FIRC_BUS_CLK>;
+			timeout-sec = <40>;
+			status = "disabled";
+			bootph-all;
+		};
+
 		pcc3: clock-controller@40b30000 {
 			compatible = "fsl,imx7ulp-pcc3";
 			reg = <0x40b30000 0x10000>;