[PATCH] tools: imx8m_image: Change source path for DDR firmware to build dir

[sbabic at denx.de]

> From: Frieder Schrempf <frieder.schrempf at kontron.de>
> The DDR firmware binaries are not part of the U-Boot source code, so
> we should look for them in the build directory, where they need to be
> copied to before building U-Boot.
> The ATF binary is already fetched from the build directory, but the
> README files for the i.MX8M EVKs claim that it needs to be copied to
> the source directory (which is still true for in-tree builds, but not
> in general). Therefore we also fix the READMEs to use the build
> directory as the correct location for all additional binary files.
> Sined-off-by: Frieder Schrempf <frieder.schrempf at kontron.de>
Applied to u-boot-imx, -next, thanks !

Best regards,
Stefano Babic

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