To flash a custom DTB file
- Flash the file with the bootburn -uoption and provide the path to your customized DTB file.The default path is tegra186-<board>-010-a01-00-base.dtb.
bootburn -u option and provide the path to
            your customized DTB file.The default path is
                  tegra186-<board>-010-a01-00-base.dtb.