RDMA/hns: Use the new APIs for printing log

Here uses the new APIs instead of some dev print interfaces in
some functions.

Signed-off-by: Lijun Ou <oulijun@huawei.com>
Link: https://lore.kernel.org/r/1565276034-97329-15-git-send-email-oulijun@huawei.com


Signed-off-by: Doug Ledford <dledford@redhat.com>