If a channel interrupt occurs without any status bit set, the handler will
return directly. However, if such redundant interrupts are received, it's
better to check what happen, so add logs for this.

Link: https://lore.kernel.org/r/1617709711-195853-6-git-send-email-john.garry@huawei.comSigned-off-by: NLuo Jiaxing <luojiaxing@huawei.com>
Signed-off-by: NYihang Li <liyihang6@hisilicon.com>
Signed-off-by: NJohn Garry <john.garry@huawei.com>
Signed-off-by: NMartin K. Petersen <martin.petersen@oracle.com>