Fix spelling typo in comment.
Reported-by: k2ci <kernel-bot@kylinos.cn>
Signed-off-by: Jiangshan Yi <yijiangshan@kylinos.cn>
Link: https://lore.kernel.org/r/20221009081047.2643471-1-13667453960@163.comSigned-off-by: Leon Romanovsky <leon@kernel.org>