[RFC] imx8mm-evk: Generate a bootable flash.bin again

[Marcel Ziswiler]

On Wed, 2021-08-18 at 08:47 +0200, Frieder Schrempf wrote:
> > > 
> > > > Prior to 2021.07: only flash.bin was required. Yocto recipe, for
> > > > example, will no longer produce a bootable image
> > > > after the upgrade to 2021.07. This is the breakage I would like to avoid.
> > > 
> > > I vote for renaming flash.bin (in SPL case) to spl.bin. It seems to
> > > me there are many imx8*-u-boot.dtsi file now which use this part:
> > 
> > Yes, I think we should introduce a common dtsi file with a binman configuration that uses spl.bin for the
> > SPL image and flash.bin for the final image. Then we could switch all boards to use this config step by
> > step afterwards.
> 
> Actually this would require changing the SPL image name for all boards, or if that's possible with binman,
> rename the flash.bin SPL image to spl.bin, before building the final image.

I agree with this probably being the best way forward.