[PATCH v2 4/6] imx8: use ROM API wrappers in spl_imx_romapi.c

[sbabic at denx.de]

> Simplify the use of the ROM API by using the wrappers that take care
> of saving/restoring gd and computing the xor value. This makes the
> generated code smaller and the C code easier to read.
> Reviewed-by: Peng Fan <peng.fan at nxp.com>
> Signed-off-by: Rasmus Villemoes <rasmus.villemoes at prevas.dk>
Applied to u-boot-imx, master, thanks !

Best regards,
Stefano Babic

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