tools lib traceevent: Rename pevent_register / unregister APIs

In order to make libtraceevent into a proper library, variables, data
structures and functions require a unique prefix to prevent name space
conflicts. That prefix will be "tep_" and not "pevent_". This changes
APIs: pevent_register_print_function, pevent_unregister_print_function,
pevent_register_event_handler, pevent_unregister_event_handler,
pevent_register_function, pevent_register_trace_clock

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Yordan Karadzhov (VMware) <y.karadz@gmail.com>
Cc: linux-trace-devel@vger.kernel.org
Link: http://lkml.kernel.org/r/20180808180702.524813185@goodmis.org
Signed-off-by: Tzvetomir Stoyanov (VMware) <tz.stoyanov@gmail.com>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
diff --git a/tools/lib/traceevent/plugin_cfg80211.c b/tools/lib/traceevent/plugin_cfg80211.c
index e0421e3..a51b366 100644
--- a/tools/lib/traceevent/plugin_cfg80211.c
+++ b/tools/lib/traceevent/plugin_cfg80211.c
@@ -27,17 +27,17 @@ process___le16_to_cpup(struct trace_seq *s, unsigned long long *args)
 
 int TEP_PLUGIN_LOADER(struct tep_handle *pevent)
 {
-	pevent_register_print_function(pevent,
-				       process___le16_to_cpup,
-				       TEP_FUNC_ARG_INT,
-				       "__le16_to_cpup",
-				       TEP_FUNC_ARG_PTR,
-				       TEP_FUNC_ARG_VOID);
+	tep_register_print_function(pevent,
+				    process___le16_to_cpup,
+				    TEP_FUNC_ARG_INT,
+				    "__le16_to_cpup",
+				    TEP_FUNC_ARG_PTR,
+				    TEP_FUNC_ARG_VOID);
 	return 0;
 }
 
 void TEP_PLUGIN_UNLOADER(struct tep_handle *pevent)
 {
-	pevent_unregister_print_function(pevent, process___le16_to_cpup,
-					 "__le16_to_cpup");
+	tep_unregister_print_function(pevent, process___le16_to_cpup,
+				      "__le16_to_cpup");
 }