Merge branch 'acpi-ost'

* acpi-ost:
  ACPI: Drop acpi_evaluate_hotplug_ost() and ACPI_HOTPLUG_OST
  ACPI: use device name LNXSYBUS.xx for ACPI \_SB and \_TZ objects
  ACPI / processor: use acpi_evaluate_ost() to replace open-coded version
  ACPI / PAD / xen: use acpi_evaluate_ost() to replace open-coded version
  ACPI / PAD: use acpi_evaluate_ost() to replace open-coded version
  ACPI: rename acpi_evaluate_hotplug_ost() to acpi_evaluate_ost()