trace-cmd: Allow trace-read -w to work without wakeup event success field
trace-cmd: Allow trace-read -w to work without wakeup event success field

The wakeup event "success" field is going away. Do not depend on it.

Signed-off-by: Steven Rostedt <43232e92d70cc7aa53504ad0397085ee47bad87f@goodmis.org>

bigzz/trace-cmd,bigzz/trace-cmd