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/include/image.h b/include/image.h
index ae767f0..ab93eb6 100644
--- a/include/image.h
+++ b/include/image.h
@@ -425,6 +425,7 @@
 
 int boot_get_ramdisk(int argc, char * const argv[], bootm_headers_t *images,
 		uint8_t arch, ulong *rd_start, ulong *rd_end);
+#endif
 
 /**
  * fit_image_load() - load an image from a FIT
@@ -454,12 +455,14 @@
  * @param load_op	Decribes what to do with the load address
  * @param datap		Returns address of loaded image
  * @param lenp		Returns length of loaded image
+ * @return node offset of image, or -ve error code on error
  */
 int fit_image_load(bootm_headers_t *images, ulong addr,
 		   const char **fit_unamep, const char **fit_uname_configp,
 		   int arch, int image_type, int bootstage_id,
 		   enum fit_load_op load_op, ulong *datap, ulong *lenp);
 
+#ifndef USE_HOSTCC
 /**
  * fit_get_node_from_config() - Look up an image a FIT by type
  *
@@ -604,8 +607,8 @@
 ulong getenv_bootm_low(void);
 phys_size_t getenv_bootm_size(void);
 phys_size_t getenv_bootm_mapsize(void);
-void memmove_wd(void *to, void *from, size_t len, ulong chunksz);
 #endif
+void memmove_wd(void *to, void *from, size_t len, ulong chunksz);
 
 static inline int image_check_magic(const image_header_t *hdr)
 {