RDMA/cma: Refactor to access multiple fields of rdma_dev_addr

RDMA/cma: Refactor to access multiple fields of rdma_dev_addr

Pass the rdma_cm_id so that multiple fields of the rdma_dev_addr
structure can be accessed, instead of passing each individual fields.

This is needed to access some additional fields in followup patches.

Signed-off-by: Parav Pandit <parav@mellanox.com>
Reviewed-by: Mark Bloch <markb@mellanox.com>
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>