Merge branch 'mellanox/mlx5-next' into rdma.git for/next

From the mlx5-next branch at
  git://git.kernel.org/pub/scm/linux/kernel/git/mellanox/linux



Required for dependencies in following patches

* branch 'mellanox/mlx5-next':
  net/mlx5: Add support in forward to namespace
  {IB/net}/mlx5: Simplify don't trap code
  net/mlx5: Replace zero-length array with flexible-array

Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>