Update of dts files for U-Boot for i.MX

[Peng Fan]

Hi Tom,

> Subject: Update of dts files for U-Boot for i.MX
> 
> Hey,
> 
> Can we please get the various i.MX dts files (and related) re-synced with the
> kernel?  In looking at the various dts warnings we see in our build, even on
> something like i.MX7 we see warnings because our dts files are out of sync
> with linux and so have warnings that have since been fixed upstream.

For i.MX6/7/8M dts, I could give a check.
For i.MX8QM/QXP, I could leave it as is for now. There is a major update ongoing
in Linux kernel for the dts part.

Thanks,
Peng.

> Thanks!
> 
> --
> Tom