[PATCH 5/8] FIT: expose useful helpers

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The upcoming FIT overlay support requires these helpers for performing
check on a fit image.

Signed-off-by: Marco Felsch <m.felsch@xxxxxxxxxxxxxx>
 common/image-fit.c  | 4 ++--
 include/image-fit.h | 2 ++
 2 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/common/image-fit.c b/common/image-fit.c
index bf1562315b40..1e5d70caaaae 100644
--- a/common/image-fit.c
+++ b/common/image-fit.c
@@ -677,7 +677,7 @@ int fit_open_image(struct fit_handle *handle, void *configuration,
 	return 0;
-static int fit_config_verify_signature(struct fit_handle *handle, struct device_node *conf_node)
+int fit_config_verify_signature(struct fit_handle *handle, struct device_node *conf_node)
 	struct device_node *sig_node;
 	int ret = -EINVAL;
@@ -717,7 +717,7 @@ static int fit_config_verify_signature(struct fit_handle *handle, struct device_
 	return ret;
-static bool fit_config_is_overlay(struct device_node *conf_node)
+bool fit_config_is_overlay(struct device_node *conf_node)
 	const char *overlay_pattern;
 	int no_match;
diff --git a/include/image-fit.h b/include/image-fit.h
index 0b8e94bf4635..7e0cd38fea53 100644
--- a/include/image-fit.h
+++ b/include/image-fit.h
@@ -35,6 +35,8 @@ int fit_open_image(struct fit_handle *handle, void *configuration,
 int fit_get_image_address(struct fit_handle *handle, void *configuration,
 			  const char *name, const char *property,
 			  unsigned long *address);
+int fit_config_verify_signature(struct fit_handle *handle, struct device_node *conf_node);
+bool fit_config_is_overlay(struct device_node *conf_node);
 void fit_close(struct fit_handle *handle);

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