ACPICA: Prevent infinite loops when traversing corrupted lists.

This change hardens the ACPICA code to detect circular linked object
lists and prevent an infinite loop if such corruption exists.

Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>

diff --cc drivers/acpi/acpica/evregion.c
Simple merge

diff --cc drivers/acpi/acpica/nsobject.c
Simple merge

diff --cc drivers/acpi/acpica/utdelete.c
Simple merge