[PATCH 3/4] doc: signature: describe how to enable ECDSA

[Baruch Siach]

Signed-off-by: Baruch Siach <baruch at tkos.co.il>
---
 doc/uImage.FIT/signature.txt | 1 +
 1 file changed, 1 insertion(+)

diff --git a/doc/uImage.FIT/signature.txt b/doc/uImage.FIT/signature.txt
index b6707417ff63..240244b30e63 100644
--- a/doc/uImage.FIT/signature.txt
+++ b/doc/uImage.FIT/signature.txt
@@ -439,6 +439,7 @@ be enabled:
 
 CONFIG_FIT_SIGNATURE - enable signing and verification in FITs
 CONFIG_RSA - enable RSA algorithm for signing
+CONFIG_ECDSA - enable ECDSA algorithm for signing
 
 WARNING: When relying on signed FIT images with required signature check
 the legacy image format is default disabled by not defining
-- 
2.39.2