The original patch adding the example used _DSC Name when Method was
intended. Fix this.
Also replace spaces used for indentation with tabs in the example.
Fixes: ed66f12ba4b1 ("Documentation: ACPI: Document _DSC object usage for enum power state")
Reported-by: Bingbu Cao <bingbu.cao@intel.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
dff5acfd87