dt-bindings: cpufreq: cpufreq-qcom-hw: Add QDU1000/QRU1000 cpufreq

Add cpufreq epss for QDU1000 and QRU1000 SoCs.

Signed-off-by: Melody Olvera <quic_molvera@quicinc.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>