bootm: Move boot_get_kernel() higher in the file

Move this code and image_get_kernel() higher in the file to avoid the
need for a forward declaration.

No attempt is made to remove #ifdefs or adjust the code in any other
way.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Tom Rini <trini@konsulko.com>
1 file changed