sched/Documentation/kokr: Update Korean translation to update wake_up() & co....

sched/Documentation/kokr: Update Korean translation to update wake_up() & co. memory-barrier guarantees

Translate this commit to Korean:

  7696f991 ("sched/Documentation: Update wake_up() & co. memory-barrier guarantees")

Signed-off-by: SeongJae Park <sj38.park@gmail.com>
Reviewed-by: Yunjae Lee <lyj7694@gmail.com>
Signed-off-by: Paul E. McKenney <paulmck@linux.ibm.com>