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/zynqmpimage.c b/tools/zynqmpimage.c
index 19b2f02..5113ba8 100644
--- a/tools/zynqmpimage.c
+++ b/tools/zynqmpimage.c
@@ -209,7 +209,7 @@
 	printf("    Checksum   : 0x%08x\n", le32_to_cpu(ph->checksum));
 }
 
-void zynqmpimage_print_header(const void *ptr)
+void zynqmpimage_print_header(const void *ptr, struct image_tool_params *params)
 {
 	struct zynqmp_header *zynqhdr = (struct zynqmp_header *)ptr;
 	int i;