doc: Update doc versions in nrfxlib for 2.9.0

Updated doc versions in nrfxlib for 2.9.0

NCSDK-30704

Signed-off-by: Richa Pandey <[email protected]>
(cherry picked from commit ec29c17)

Author: richabp

nrf_802154/doc/CHANGELOG.rst

@@ -10,9 +10,13 @@ Changelog
 All notable changes to this project are documented in this file.
 See also :ref:`nrf_802154_limitations` for permanent limitations.
 
-Main branch - nRF 802.15.4 Radio Driver
-***************************************
+nRF Connect SDK v2.9.0 - nRF 802.15.4 Radio Driver
+**************************************************
+
+Added
+=====
 
+* Added support for the nRF54L05 and nRF54L10 SoCs.
 
 nRF Connect SDK v2.8.0 - nRF 802.15.4 Radio Driver
 **************************************************

nrf_modem/doc/CHANGELOG.rst

@@ -9,8 +9,8 @@ Changelog
 
 All notable changes to this project are documented in this file.
 
-nrf_modem
-*********
+nrf_modem 2.9.0
+***************
 
 Sockets
 =======

softdevice_controller/CHANGELOG.rst

@@ -9,8 +9,8 @@ Changelog
 
 All the notable changes to this project are documented on this page.
 
-Main branch
-***********
+nRF Connect SDK v2.9.0
+**********************
 
 Added
 =====