sched: jiffies not printed per CPU

The jiffies value was being printed for each CPU, which does not seem to make
sense.  Moved jiffies to system section.

Signed-off-by: Luis Henriques <henrix@sapo.pt>
Acked-by: Peter Zijlstra <peterz@infradead.org>
LKML-Reference: <20090318000425.GA2228@hades.domain.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>