[PW_SID:1069064] ACPI: Unify CPU UID interface and fix ARM64 TPH steer-tag issue#1642

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Commits on Mar 19, 2026

arm64/acpi: Add acpi_get_cpu_uid() and switch arm_cspmu to use it

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loongarch/acpi: Add acpi_get_cpu_uid() declaration and implementation

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riscv/acpi: Add acpi_get_cpu_uid() implementation and update users

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x86/acpi: Add acpi_get_cpu_uid() implementation and update Xen users

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ACPI: Centralize acpi_get_cpu_uid() declaration in include/linux/acpi.h

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ACPI: PPTT: Use acpi_get_cpu_uid() and remove get_acpi_id_for_cpu()

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PCI/TPH: Fix get cpu steer-tag fail on ARM64 platform

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