Enhance fit_check_sign to check all images

At present this tool only checks the configuration signing. Have it also
look at each of the images in the configuration and confirm that they
verify.

Signed-off-by: Simon Glass <sjg@chromium.org>
Acked-by: Heiko Schocher <hs@denx.de> (v1)
diff --git a/tools/image-host.c b/tools/image-host.c
index faeef66..0eff720 100644
--- a/tools/image-host.c
+++ b/tools/image-host.c
@@ -10,6 +10,7 @@
  */
 
 #include "mkimage.h"
+#include <bootm.h>
 #include <image.h>
 #include <version.h>
 
@@ -707,16 +708,21 @@
 }
 
 #ifdef CONFIG_FIT_SIGNATURE
-int fit_check_sign(const void *working_fdt, const void *key)
+int fit_check_sign(const void *fit, const void *key)
 {
 	int cfg_noffset;
 	int ret;
 
-	cfg_noffset = fit_conf_get_node(working_fdt, NULL);
+	cfg_noffset = fit_conf_get_node(fit, NULL);
 	if (!cfg_noffset)
 		return -1;
 
-	ret = fit_config_verify(working_fdt, cfg_noffset);
+	printf("Verifying Hash Integrity ... ");
+	ret = fit_config_verify(fit, cfg_noffset);
+	if (ret)
+		return ret;
+	ret = bootm_host_load_images(fit, cfg_noffset);
+
 	return ret;
 }
 #endif