arm64: dts: qcom: sc7180: Add dynamic CPU power coefficients

Add dynamic power coefficients for Silver and Gold CPUs on
SC7180 SoC.

Signed-off-by: Rajendra Nayak <rnayak@codeaurora.org>
Link: https://lore.kernel.org/r/1578393926-5052-1-git-send-email-rnayak@codeaurora.org


Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>