selftest: ftrace: Make func_event_triggers and func_traceonoff_triggers tests do instances

Both the func_event_triggers and func_traceonoff_triggers tests can be
performed in both the toplevel instance as well as for individual instances.
Have their tests run in both cases.

Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
diff --git a/tools/testing/selftests/ftrace/test.d/ftrace/func_event_triggers.tc b/tools/testing/selftests/ftrace/test.d/ftrace/func_event_triggers.itc
similarity index 100%
rename from tools/testing/selftests/ftrace/test.d/ftrace/func_event_triggers.tc
rename to tools/testing/selftests/ftrace/test.d/ftrace/func_event_triggers.itc
diff --git a/tools/testing/selftests/ftrace/test.d/ftrace/func_traceonoff_triggers.tc b/tools/testing/selftests/ftrace/test.d/ftrace/func_traceonoff_triggers.itc
similarity index 100%
rename from tools/testing/selftests/ftrace/test.d/ftrace/func_traceonoff_triggers.tc
rename to tools/testing/selftests/ftrace/test.d/ftrace/func_traceonoff_triggers.itc