[PATCH v2] doc: board: freescale: imx8mp_evk: update to newer versions and change ATF_LOAD_ADDR

[sbabic at denx.de]

> Update imx-atf and firmware-imx to latest released versions.
> Update address of ATF_LOAD_ADDR that has changed to 0x970000 in imx-atf
> commit 48733cb4e773a7584ced601de9d717efa3d73815.
> Add 'O=' to make and build in separate directory as one issue has been noticed
> where it was trouble building directly inside u-boot source dir. Restructure the workflow
> and copy binaries after defconfig to ensure that build directory is created.
> Signed-off-by: Peter Bergin <peter at berginkonsult.se>
> Cc: Andrey Zhizhikin <andrey.zhizhikin at leica-geosystems.com>
> Reviewed-by: Andrey Zhizhikin <andrey.zhizhikin at leica-geosystems.com>
Applied to u-boot-imx, master, thanks !

Best regards,
Stefano Babic

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