[PATCH v1 2/2] colibri-imx7: improve env badblock management

[sbabic at denx.de]

> Use the complete 512kb (4 blocks) nand partition reserved for u-boot
> environment instead of just the first block, this allows the module
> to have a working environment even if 3 blocks are bad.
> Signed-off-by: Francesco Dolcini <francesco.dolcini at toradex.com>
Applied to u-boot-imx, master, thanks !

Best regards,
Stefano Babic

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