tools: imagetool: Extend print_header() by params argument

This allows image type print_header() callback to access struct
image_tool_params *params.

Signed-off-by: Pali Rohár <pali@kernel.org>
Reviewed-by: Simon Glass <sjg@chromium.org>

tools/imx8image.c

@@ -30,7 +30,7 @@ static void imx8image_set_header(void *ptr, struct stat *sbuf, int ifd,
 {
 }
 
-static void imx8image_print_header(const void *ptr)
+static void imx8image_print_header(const void *ptr, struct image_tool_params *params)
 {
 }