Try out/integrate in-kernel pd-mapper

[minlexx]

Link to v7:

• lore: https://lore.kernel.org/linux-kernel/20240424-qcom-pd-mapper-v7-0-05f7fc646e0f@linaro.org/T/
• patchwork: https://patchwork.kernel.org/project/linux-arm-msm/list/?series=847382&state=%2A&archive=both

Userspace pd-mapper should not be needed if this is merged.

[minlexx]

v8: https://lore.kernel.org/linux-arm-msm/20240512-qcom-pd-mapper-v8-0-5ecbb276fcc0@linaro.org/

[minlexx]

v9 was merged and will be in 6.11 I guess?

https://patchwork.kernel.org/project/linux-arm-msm/cover/20240622-qcom-pd-mapper-v9-0-a84ee3591c8e@linaro.org/#25909827

[minlexx]

More follow up fixes are needed to be picked to 6.10 (they will probably be included in later kernel versions?)

• qcom: fix missing dependencies for the QCOM_PD_MAPPER
• soc: qcom: pd-mapper: Fix singleton refcount
• soc: qcom: pd-mapper: mark qcom_pdm_domains as __maybe_unused
• soc: qcom: pd-mapper: Depend on ARCH_QCOM || COMPILE_TEST