ARM: dts: qcom: sdx55: Add Watchdog support

Enable Watchdog support for Application Processor Subsystem (APSS) block
on SDX55 platform.
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Link: https://lore.kernel.org/r/20210118051005.55958-6-manivannan.sadhasivam@linaro.orgSigned-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>

arch/arm/boot/dts/qcom-sdx55.dtsi

@@ -347,6 +347,12 @@ intc: interrupt-controller@17800000 {
 			      <0x17802000 0x1000>;
 		};
 
+		watchdog@17817000 {
+			compatible = "qcom,apss-wdt-sdx55", "qcom,kpss-wdt";
+			reg = <0x17817000 0x1000>;
+			clocks = <&sleep_clk>;
+		};
+
 		timer@17820000 {
 			#address-cells = <1>;
 			#size-cells = <1>;