arm64: dts: qcom: msm8996pro: Add CBF scaling support

Add opp-peak-kBps to CPU OPPs to allow for CBF scaling, and change the
CBF compatible to reflect the difference between it and the one on
MSM8996.

Signed-off-by: Yassine Oudjana <y.oudjana@protonmail.com>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20230527093934.101335-3-y.oudjana@protonmail.com