[Buildroot] [PATCH 1/1] configs/freescale_imx8mpevk: new defconfig

[Stephane Viau (OSS)]

>This patch adds support for the NXP i.MX 8MPlus EVK board [1].                  
>                                                                                
>The final boot image is created from uboot and firmware binaries in post        
>image script board/freescale/common/imx/imx8-bootloader-prepare.sh              
>                                                                                
>This first support is based on NXP's 5.4.70_2.3.0 BSP.                          
>                                                                                
>[1] https://www.nxp.com/design/development-boards/i-mx-evaluation-and-development-boards/evaluation-kit-for-the-i-mx-8m-plus-applications-processor:8MPLUSLPD4-EVK
>                                                                                
>Signed-off-by: Stephane Viau <stephane.viau at oss.nxp.com>                        
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    [Stephane: tested on i.MX8MP EVK]
    Tested-by: Stephane Viau <stephane.viau at oss.nxp.com>