[U-Boot] [PATCH V2 4/6] doc: uImage.FIT: signature.txt: add option padding

[Philippe Reynes]

Signed-off-by: Philippe Reynes <philippe.reynes at softathome.com>
Reviewed-by: Simon Glass <sjg at chromium.org>
---
 doc/uImage.FIT/signature.txt | 3 +++
 1 file changed, 3 insertions(+)

Changelog:
v2:
- no change

diff --git a/doc/uImage.FIT/signature.txt b/doc/uImage.FIT/signature.txt
index a765722..bfff6fd 100644
--- a/doc/uImage.FIT/signature.txt
+++ b/doc/uImage.FIT/signature.txt
@@ -106,6 +106,9 @@ When the image is signed, the following properties are optional:
 
 - comment: Additional information about the signer or image
 
+- padding: The padding algorithm, it may be pkcs-1.5 or pss,
+	if no value is provided we assume pkcs-1.5
+
 For config bindings (see Signed Configurations below), the following
 additional properties are optional:
 
-- 
2.7.4