tegra: fdt: sort dts files

tegra: fdt: sort dts files

Sort nodes in dts files according the the following rules:

1) Any nodes that already exist in any /include/d file, in the order
they appear in the /include/d file.

2) Any nodes with a reg property, in order of their address.

3) Any nodes without a reg property, alphabetically by node name.

Signed-off-by: Allen Martin <amartin@nvidia.com>
Signed-off-by: Tom Warren <twarren@nvidia.com>