Add a note warning of re-use of obsolete %pf or %pF extensions.
Signed-off-by: NSakari Ailus <sakari.ailus@linux.intel.com>
Suggested-by: NSteven Rostedt (VMware) <rostedt@goodmis.org>
Reviewed-by: NPetr Mladek <pmladek@suse.com>
Signed-off-by: NRafael J. Wysocki <rafael.j.wysocki@intel.com>