Qualcomm Krait Processor Sub-system (KPSS) Watchdog
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Required properties :
- compatible : shall contain only one of the following:

			"qcom,kpss-wdt-msm8960"
			"qcom,kpss-wdt-apq8064"
			"qcom,kpss-wdt-ipq8064"

- reg : shall contain base register location and length
- clocks : shall contain the input clock

Optional properties :
- timeout-sec : shall contain the default watchdog timeout in seconds,
                if unset, the default timeout is 30 seconds

Example:
	watchdog@208a038 {
		compatible = "qcom,kpss-wdt-ipq8064";
		reg = <0x0208a038 0x40>;
		clocks = <&sleep_clk>;
		timeout-sec = <10>;
	};