migration-3.4: add missing entry on EXTRA_USERS_PARAMS

We missed noting this in 3.4 but I noticed the documentation was
recently updated, so note the removal.

(From yocto-docs rev: f661e62d6faf48dbb6c6fd9a61a6448ec339d2bf)

Signed-off-by: Paul Eggleton <paul.eggleton@microsoft.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

1 files changed, 7 insertions, 0 deletions

diff --git a/documentation/migration-guides/migration-3.4.rst b/documentation/migration-guides/migration-3.4.rst
index 139b2bf9c0..dead6bc66a 100644
--- a/documentation/migration-guides/migration-3.4.rst
+++ b/documentation/migration-guides/migration-3.4.rst
@@ -265,6 +265,13 @@ Miscellaneous
   built-in override support in the fetcher or overrides in general
   instead.
 
+- The ``-P`` (``--clear-password``) option can no longer be used with
+  ``useradd`` and ``usermod`` entries in :term:`EXTRA_USERS_PARAMS`.
+  It was being implemented using a custom patch to the ``shadow`` recipe
+  which clashed with a ``-P`` option that was added upstream in
+  ``shadow`` version 4.9, and in any case is fundamentally insecure.
+
+
 .. include:: release-notes-3.4.rst
 .. include:: release-notes-3.4.1.rst
 .. include:: release-notes-3.4.2.rst