Merge back 'acpi-processor' material for v5.13.

diff --cc drivers/acpi/processor_idle.c
index 768a6b4d23680b775fd5f3343a998c2c6c47ac77,418f0e26f4dd348e69c7552826df61b0ea298568..0925b14772309815d58a32db02319bd570529633
--- 1/drivers/acpi/processor_idle.c
--- 2/drivers/acpi/processor_idle.c
+++ b/drivers/acpi/processor_idle.c
@@@ -29,12 -29,8 +29,9 @@@
   */
  #ifdef CONFIG_X86
  #include <asm/apic.h>
 +#include <asm/cpu.h>
  #endif
  
- #define _COMPONENT              ACPI_PROCESSOR_COMPONENT
- ACPI_MODULE_NAME("processor_idle");
- 
  #define ACPI_IDLE_STATE_START (IS_ENABLED(CONFIG_ARCH_HAS_CPU_RELAX) ? 1 : 0)
  
  static unsigned int max_cstate __read_mostly = ACPI_PROCESSOR_MAX_POWER;