RDMA/mlx5: Group boolean parameters to take less space

Clean the code to store all boolean parameters inside one variable.

Link: https://lore.kernel.org/r/20191002122517.17721-2-leon@kernel.org


Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Reviewed-by: Jason Gunthorpe <jgg@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>