Documentation/barriers/kokr: Remove references to [smp_]read_barrier_depends()

This commit translates commit ("Documentation/barriers: Remove references to
[smp_]read_barrier_depends()") into Korean.

Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Reviewed-by: Yunjae Lee <lyj7694@gmail.com>
Signed-off-by: SeongJae Park <sjpark@amazon.de>
Signed-off-by: Will Deacon <will@kernel.org>