[PATCH] ARM: imx8m: support env in fat and ext4

[sbabic at denx.de]

> Change boot device logic to also allow environment stored in fat and in
> ext4 when booting from SD or from eMMC.
> As the boot device check for SD and for eMMC was depending on
> ENV_IS_IN_MMC being defined, change the ifdef blocks at env_get_location
> to use IS_ENABLED instead for all modes, returning NOWHERE when no valid
> mode is found.
> Signed-off-by: Ricardo Salveti <ricardo at foundries.io>
> Reviewed-by: Oleksandr Suvorov <oleksandr.suvorov at foundries.io>
> Reviewed-by: Fabio Estevam <festevam at gmail.com>
Applied to u-boot-imx, master, thanks !

Best regards,
Stefano Babic

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