[U-Boot] [PATCH] configs: Remove CONFIG_SPL_FS_EXT4 for all MX6 platforms

[Fabio Estevam]

On Fri, May 31, 2019 at 9:45 AM Marek Vasut <marex at denx.de> wrote:

> It's an accident just waiting to happen -- only a matter of time until
> someone writes too large u-boot-dtb.img and silently corrupts the file
> system right behind it ;-)

If u-boot-dtb.img grows it will corrupt the env region.

We can detect this situation in build time using CONFIG_BOARD_SIZE_LIMIT.