tracing: Fix set_named_trigger_data() kernel-doc comment

Fix the description of the parameters.

Link: https://lkml.kernel.org/r/20210515105735.52785-1-hqjagain@gmail.com

Signed-off-by: Qiujun Huang <hqjagain@gmail.com>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>

kernel/trace/trace_events_trigger.c

@@ -916,7 +916,8 @@ void unpause_named_trigger(struct event_trigger_data *data)
 
 /**
  * set_named_trigger_data - Associate common named trigger data
- * @data: The trigger data of a named trigger to unpause
+ * @data: The trigger data to associate
+ * @named_data: The common named trigger to be associated
  *
  * Named triggers are sets of triggers that share a common set of
  * trigger data.  The first named trigger registered with a given name