Newline is missing from some printk() statements. Add them.

Link: https://lore.kernel.org/r/1598958790-232272-8-git-send-email-john.garry@huawei.comSigned-off-by: Xiang Chen <chenxiang66@hisilicon.com>
Signed-off-by: John Garry <john.garry@huawei.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>