How to Use TX2's PCIE config #6, instead of default (config #2)

We have created our own carrier board to it for pcie configuration #6. We would like use 2 USB 3.0 , 1x1 pci and 2x1 pcie
interface.

how can we change device-tree and ODMDATA for config. #6.

Please check
https://developer.nvidia.com/embedded/dlc/jetson-tx2-series-modules-oem-product-design-guide
https://developer.nvidia.com/embedded/dlc/l4t-driver-package-tx2-adaptation-guide