libfdt as its own repo and submodule of dtc?

[Jon Loeliger]

So, like, the other day Kumar Gala mumbled:
> Jon,
> 
> It seems like have libfdt as a unique git repo that is a submodule of  
> the things that need it (dtc, u-boot, etc.) might make some sense and  
> it easier for the projects that need to pull it in.
> 
> Is this something you can take a look at? (or have other ideas on).

I would be fine with making libfdt a git repository separate
from the DTC repository if that makes it easier to integrate
it with other projects.

jdl