libtraceevent: Fixed description of tep_add_plugin_path() API

Changed the description of tep_add_plugin_path() API to reflect the
logic of the function. The suffix of plugin files is not hardcoded
to ".so", it depends on the custom plugin loader callback.

Link: https://lore.kernel.org/CAM9d7cgMgqFDvKhs6xwdBSMsaG=3ZG0RtxwgQDCTLGkML1MY4Q@mail.gmail.com
Link: https://lore.kernel.org/linux-trace-devel/[email protected]
Link: https://lore.kernel.org/linux-trace-devel/[email protected]

Suggested-by: Namhyung Kim <[email protected]>
Signed-off-by: Tzvetomir Stoyanov (VMware) <[email protected]>
Acked-by: Namhyung Kim <[email protected]>
Cc: Andrew Morton <[email protected]>
Cc: Jiri Olsa <[email protected]>
Cc: [email protected]
Link: http://lore.kernel.org/lkml/[email protected]
Signed-off-by: Steven Rostedt (VMware) <[email protected]>
Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>

Author: tzstoyanov

tools/lib/traceevent/event-plugin.c

@@ -646,8 +646,8 @@ tep_load_plugins(struct tep_handle *tep)
 /**
  * tep_add_plugin_path - Add a new plugin directory.
  * @tep: Trace event handler.
- * @path: Path to a directory. All files with extension .so in that
- *	  directory will be loaded as plugins.
+ * @path: Path to a directory. All plugin files in that
+ *	  directory will be loaded.
  *@prio: Load priority of the plugins in that directory.
  *
  * Returns -1 in case of an error, 0 otherwise.