[PATCH] ARM: imx: dh-imx6: Increase SF erase area for u-boot update

[sbabic at denx.de]

> Erase the entire U-Boot area during U-Boot update instead of just
> a subset of it. This way, in case u-boot-with-spl.imx grows, the
> sf write won't write over non-erased part of the SPI NOR.
> Signed-off-by: Marek Vasut <marex at denx.de>
Applied to u-boot-imx, master, thanks !

Best regards,
Stefano Babic

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