[GIT PULL] of: overlay: validation checks, subsequent fixes for v20

[Rob Herring]

On Fri, Nov 9, 2018 at 12:56 AM Frank Rowand <frowand.list at gmail.com> wrote:
>
> Hi Rob,
>
> Please pull the changes to add the overlay validation checks.
>
> This is the v7 version of the patch series.

Pulled for 4.21. Thanks.

Rob