ref-manual: IMAGE_FEATURES: add allow-root-login and correct allow-empty-password

Completing the descriptions of "debug-tweaks".
Correcting the description of "allow-empty-password"
which doesn't imply accepting root logins.

(From yocto-docs rev: 907c94886fd8a485a6045d71478e41a3c598821c)

Signed-off-by: Michael Opdenacker <michael.opdenacker@bootlin.com>
Reported-by: Quentin Schulz <foss@0leil.net>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

1 files changed, 8 insertions, 6 deletions

diff --git a/documentation/ref-manual/features.rst b/documentation/ref-manual/features.rst
index f7abb417ba..f566b00c58 100644
--- a/documentation/ref-manual/features.rst
+++ b/documentation/ref-manual/features.rst
@@ -198,17 +198,19 @@ application problems or profile applications.
 
 Here are the image features available for all images:
 
--  *allow-empty-password:* Allows Dropbear and OpenSSH to accept root
-   logins and logins from accounts having an empty password string.
+-  *allow-empty-password:* Allows Dropbear and OpenSSH to accept
+   logins from accounts having an empty password string.
+
+-  *allow-root-login:* Allows Dropbear and OpenSSH to accept root logins.
 
 -  *dbg-pkgs:* Installs debug symbol packages for all packages installed
    in a given image.
 
 -  *debug-tweaks:* Makes an image suitable for development (e.g. allows
-   root logins without passwords and enables post-installation logging).
-   See the 'allow-empty-password', 'empty-root-password', and
-   'post-install-logging' features in this list for additional
-   information.
+   root logins, logins without passwords ---including root ones, and enables
+   post-installation logging). See the ``allow-empty-password``,
+   ``allow-root-login``, ``empty-root-password``, and ``post-install-logging``
+   features in this list for additional information.
 
 -  *dev-pkgs:* Installs development packages (headers and extra library
    links) for all packages installed in a given image.