Documentation: PM: Discourage use of deprecated macros

The Documentation refers to some deprecated macros.

Update those parts accordingly.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://patch.msgid.link/20240903172520.3568731-1-andriy.shevchenko@linux.intel.com


[ rjw: Changelog edit ]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>