IB/mlx5: Expose DEVX tree

Expose DEVX tree to be used by upper layers.

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

drivers/infiniband/hw/mlx5/devx.c

@@ -1100,3 +1100,8 @@ static DECLARE_UVERBS_OBJECT_TREE(devx_objects,
 	&UVERBS_OBJECT(MLX5_IB_OBJECT_DEVX),
 	&UVERBS_OBJECT(MLX5_IB_OBJECT_DEVX_OBJ),
 	&UVERBS_OBJECT(MLX5_IB_OBJECT_DEVX_UMEM));
+
+const struct uverbs_object_tree_def *mlx5_ib_get_devx_tree(void)
+{
+	return &devx_objects;
+}