[PATCH] ARM: imx9: 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 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.
> This solution is based on (with added SPL support):
> Link: https://lore.kernel.org/all/20211020191626.3648540-1-ricardo@foundries.io/
> Signed-off-by: Oleksandr Suvorov <oleksandr.suvorov at foundries.io>
> Reviewed-by: Peng Fan <peng.fan at nxp.com>
Applied to u-boot-imx, master, thanks !

Best regards,
Stefano Babic

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