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>
diff --git a/tools/imximage.c b/tools/imximage.c
index 354ee34..b3da1f2 100644
--- a/tools/imximage.c
+++ b/tools/imximage.c
@@ -813,7 +813,7 @@
 	return 0;
 }
 
-static void imximage_print_header(const void *ptr)
+static void imximage_print_header(const void *ptr, struct image_tool_params *params)
 {
 	struct imx_header *imx_hdr = (struct imx_header *) ptr;
 	uint32_t version = detect_imximage_version(imx_hdr);