ACPI: PM: s2idle: Use correct revision id

AMD spec mentions only revision 0. With this change,
device constraint list is populated properly.

Signed-off-by: Pratik Vishwakarma <Pratik.Vishwakarma@amd.com>
Tested-by: Julian Sikorski <belegdol@gmail.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>