Handle additional info between common info CPU and TIMESTAMP

Issue was seen by addition of "irq-info" column in K3.4
                              _-----=> irqs-off
                             / _----=> need-resched
                            | / _---=> hardirq/softirq
                            || / _--=> preempt-depth
                            ||| /     delay
           TASK-PID   CPU#  ||||    TIMESTAMP  FUNCTION
              | |       |   ||||       |         |
        dhd_dpc-3911  [002] d..3  3107.797466: sched_switch: ...

Signed-off-by: Frederic Turgis <frederic.turgis@intel.com>
Merge pull request #2 from fturgis/master

Handle ftrace output format change