dt-bindings: cpufreq: qcom-cpufreq-nvmem: document IPQ9574

Document IPQ9574 compatible for Qcom NVMEM CPUFreq driver.
Signed-off-by: Varadarajan Narayanan <quic_varada@quicinc.com>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>

Documentation/devicetree/bindings/cpufreq/qcom-cpufreq-nvmem.yaml

@@ -30,6 +30,7 @@ select:
           - qcom,ipq5332
           - qcom,ipq8064
           - qcom,ipq8074
+          - qcom,ipq9574
           - qcom,msm8939
           - qcom,msm8960
           - qcom,msm8974