[U-Boot] [PATCH 15/20] image: Use crc header file instead of C prototypes

[Marek Vasut]

Dear Simon Glass,

> We have an existing header which the crc32 definitions, so use it.
> 
> Signed-off-by: Simon Glass <sjg at chromium.org>

Looks ok.

Acked-by: Marek Vasut <marex at denx.de>

Best regards,
Marek Vasut