arm64: dts: qcom: sa8775p: Add CPU and LLCC BWMON

Add CPU and LLCC BWMON nodes and their corresponding opp tables for
SA8775p SoC.
SA8775p has two cpu clusters, with each cluster having a set of
CPU-to-LLCC BWMON registers. Consequently, there are two sets of
CPU-to-LLCC registers.

Signed-off-by: Tengfei Fan <quic_tengfan@quicinc.com>
Link: https://lore.kernel.org/r/20240730-add_sa8775p_bwmon-v1-2-f4f878da29ae@quicinc.com


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