doc: releases: 4.0: change of hawkbit header

Mention change of the hawkbit header files.

Signed-off-by: Fin Maaß <[email protected]>

Author: maass-hamburg

doc/releases/migration-guide-4.0.rst

@@ -473,6 +473,11 @@ hawkBit
 * :c:func:`hawkbit_autohandler` now takes one argument. This argument has to be set to
   ``true`` for the same behavior as before the change. (:github:`71037`)
 
+* ``<zephyr/mgmt/hawkbit.h>`` is deprecated in favor of ``<zephyr/mgmt/hawkbit/hawkbit.h>``.
+  The old header will be removed in future releases and its usage should be avoided.
+  The hawkbit autohandler has been separated into ``<zephyr/mgmt/hawkbit/autohandler.h>``.
+  The configuration part of hawkbit is now in ``<zephyr/mgmt/hawkbit/config.h>``. (:github:`71037`)
+
 MCUmgr
 ======
 

doc/releases/release-notes-4.0.rst

@@ -371,6 +371,11 @@ Libraries / Subsystems
     * Use the :c:func:`hawkbit_autohandler_set_delay` function to delay the next run of the
       autohandler.
 
+    * The hawkBit header file was separated into multiple header files. The main header file is now
+      ``<zephyr/mgmt/hawkbit/hawkbit.h>``, the autohandler header file is now
+      ``<zephyr/mgmt/hawkbit/autohandler.h>`` and the configuration header file is now
+      ``<zephyr/mgmt/hawkbit/config.h>``.
+
 * Logging
 
 * Modem modules