ACPI fixes for 6.6-rc3 - Fix recently introduced uninitialized memory access issue in the ACPI processor driver (Michal Wilczynski). - Fix ia64 build inadvertently broken by recent ACPI processor driver changes, which is prudent to do for 6.6 even though ia64 support is slated for removal in 6.7 (Ard Biesheuvel).