dt-bindings: watchdog: qcom-wdt: add qcom,kpss-wdt-mdm9615

Document new MDM9615 qcom,kpss-wdt-mdm9615 watchdog/timer compatible.
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Acked-by: Rob Herring <robh@kernel.org>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Link: https://lore.kernel.org/r/20221212163532.142533-4-krzysztof.kozlowski@linaro.orgSigned-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@linux-watchdog.org>

Documentation/devicetree/bindings/watchdog/qcom-wdt.yaml

@@ -40,6 +40,7 @@ properties:
           - enum:
               - qcom,kpss-wdt-apq8064
               - qcom,kpss-wdt-ipq8064
+              - qcom,kpss-wdt-mdm9615
               - qcom,kpss-wdt-msm8960
           - const: qcom,kpss-timer
           - const: qcom,msm-timer