selftests: ftrace: Hide ftracetest logs from git
Hide ftracetest result log directory from git.
Link: http://lkml.kernel.org/r/147928404640.22982.13173364949326289032.stgit@devbox
Signed-off-by: Masami Hiramatsu <mhiramat@kernel.org>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
Masami Hiramatsu