RDMA/hw/mlx5/odp: Fix formatting and add missing descriptions in 'pagefault_data_segments()'

Fixes the following W=1 kernel build warning(s):

 drivers/infiniband/hw/mlx5/odp.c:1062: warning: Function parameter or member 'dev' not described in 'pagefault_data_segments'
 drivers/infiniband/hw/mlx5/odp.c:1062: warning: Function parameter or member 'pfault' not described in 'pagefault_data_segments'
 drivers/infiniband/hw/mlx5/odp.c:1062: warning: Function parameter or member 'wqe' not described in 'pagefault_data_segments'
 drivers/infiniband/hw/mlx5/odp.c:1062: warning: Function parameter or member 'wqe_end' not described in 'pagefault_data_segments'
 drivers/infiniband/hw/mlx5/odp.c:1062: warning: Function parameter or member 'bytes_mapped' not described in 'pagefault_data_segments'
 drivers/infiniband/hw/mlx5/odp.c:1062: warning: Function parameter or member 'total_wqe_bytes' not described in 'pagefault_data_segments'
 drivers/infiniband/hw/mlx5/odp.c:1062: warning: Function parameter or member 'receive_queue' not described in 'pagefault_data_segments'

Link: https://lore.kernel.org/r/20210121094519.2044049-2-lee.jones@linaro.org


Cc: Leon Romanovsky <leon@kernel.org>
Cc: Doug Ledford <dledford@redhat.com>
Cc: Jason Gunthorpe <jgg@ziepe.ca>
Cc: linux-rdma@vger.kernel.org
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>