IB/mlx4: Replace printk(KERN_yyy...) with pr_yyy(...)

Signed-off-by: Shlomo Pongratz <shlomop@mellanox.com>
[ Replace one more printk_once() with pr_info_once().  - Roland ]

Signed-off-by: Roland Dreier <roland@purestorage.com>

diff --cc drivers/infiniband/hw/mlx4/cq.c
Simple merge

diff --cc drivers/infiniband/hw/mlx4/main.c
Simple merge

diff --cc drivers/infiniband/hw/mlx4/mr.c
Simple merge

diff --cc drivers/infiniband/hw/mlx4/qp.c
Simple merge

diff --cc drivers/infiniband/hw/mlx4/srq.c
Simple merge