ref-manual: kernel-fitimage.bbclass does not use SPL_SIGN_KEYNAME

The kernel-fitimage.bbclass uses the UBOOT_* variables. The SPL_*
variables are handled by uboot-sign.bbclass.

(From yocto-docs rev: 4a836be25193aeff2b03bd5b49959d41d7752dfa)

Signed-off-by: Adrian Freihofer <adrian.freihofer@siemens.com>
Reviewed-by: Quentin Schulz <quentin.schulz@cherry.de>
Signed-off-by: Antonin Godard <antonin.godard@bootlin.com>
(cherry picked from commit 8ceffee908a039deb1021361faa7637e83ef26f3)
Signed-off-by: Antonin Godard <antonin.godard@bootlin.com>
Signed-off-by: Steve Sakoman <steve@sakoman.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/documentation/ref-manual/variables.rst b/documentation/ref-manual/variables.rst
index d17f81036b..c22abd4a8e 100644
--- a/documentation/ref-manual/variables.rst
+++ b/documentation/ref-manual/variables.rst
@@ -8766,7 +8766,7 @@ system and gives an overview of their function and contents.
       class.
 
    :term:`SPL_SIGN_KEYNAME`
-      The name of keys used by the :ref:`ref-classes-kernel-fitimage` class
+      The name of keys used by the :ref:`ref-classes-uboot-sign` class
       for signing U-Boot FIT image stored in the :term:`SPL_SIGN_KEYDIR`
       directory. If we have for example a ``dev.key`` key and a ``dev.crt``
       certificate stored in the :term:`SPL_SIGN_KEYDIR` directory, you will