[U-Boot] [PATCH v5 1/3] common: Move bootm_decomp_image() to image.c (as image_decomp())

[Julius Werner]

> OK, this now causes 'make tests' to fail on the FIT image tests, please
> look.  Thanks!

Whoops, sorry, should have run that again. This was just a printf()
without a newline at the end, apparently pytest really doesn't like
that. (I took out the "OK" at the end of the "Loading kernel..."
message since with this patch decompression errors are supposed to be
handled by the callers and there are separate error messages in those
anyway.)

Fixed in v6.