arm64: dts: qcom: sm8250: add watchdog device

Add on-SoC watchdog device node.
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Link: https://lore.kernel.org/r/20200604004331.669936-7-dmitry.baryshkov@linaro.orgSigned-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>

arch/arm64/boot/dts/qcom/sm8250.dtsi

@@ -419,6 +419,12 @@ intc: interrupt-controller@17a00000 {
 			interrupts = <GIC_PPI 9 IRQ_TYPE_LEVEL_HIGH>;
 		};
 
+		watchdog@17c10000 {
+			compatible = "qcom,apss-wdt-sm8250", "qcom,kpss-wdt";
+			reg = <0 0x17c10000 0 0x1000>;
+			clocks = <&sleep_clk>;
+		};
+
 		timer@17c20000 {
 			#address-cells = <2>;
 			#size-cells = <2>;