arm64: dts: qcom: sc7280: Add cpu OPP tables

Add OPP tables required to scale DDR/L3 per freq-domain on SC7280 SoCs.

Reviewed-by: Douglas Anderson <dianders@chromium.org>
Reviewed-by: Matthias Kaehlcke <mka@chromium.org>
Signed-off-by: Sibi Sankar <quic_sibis@quicinc.com>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/1644428757-25575-1-git-send-email-quic_sibis@quicinc.com