[U-Boot] USB gadget interface from cdc branch into mainline

[Raghu]

> 2009.06 is the current release.
> This change is too intrusive to integrate it at this stage in the
> current release.
> So, it will go in the next.

Thank you, this is useful.

> If you have patches for OMAP3 I am happy to queue them up in the cdc
> branch, so that they will move to ML when the merge window is open.

I am working on patches.

Kind Regards,
-Ragha