If the RTE_EVENT_DEV_CAP_DISTRIBUTED_SCHED capability flag
is not set indicates the device is centralized and thus needs
a dedicated scheduling thread that repeatedly calls
rte_event_schedule().
Update the worker thread code snippet to match
the description.
Signed-off-by: Jerin Jacob <jerin.jacob@caviumnetworks.com>
Acked-by: Bruce Richardson <bruce.richardson@intel.com>