fix: update from upstream

See https://github.com/nrfconnect/sdk-nrf/tree/d620c98b8f7d053ac334a637af9791154d6a2bec/applications/asset_tracker_v2

doc/debug_module.rst

@@ -22,9 +22,6 @@ This section documents the various features implemented by the module.
 Memfault
 ========
 
-Memfault SDK provides the functionality to collect information from devices in the form of coredumps, error traces, metrics, logs and more.
-Information that is collected from the device can be sent to Memfault's cloud solution for further analysis.
-
 The debug module uses `Memfault SDK`_ to track |NCS| specific metrics such as LTE and stack metrics.
 In addition, the following types of custom Memfault metrics are defined and tracked when compiling in the debug module:
 
@@ -36,7 +33,7 @@ The debug module also implements `Memfault SDK`_ software watchdog, which is des
 This enables the application to be able to collect coredump data before a reboot occurs.
 
 To enable Memfault, you must include the :file:`../overlay-memfault.conf` when building the application.
-To get started with Memfault, see :ref:`using_memfault`.
+To get started with Memfault integration in |NCS|, see :ref:`ug_memfault`.
 
 .. _asset_tracker_v2_ext_transport:
 
@@ -87,7 +84,7 @@ To enable storing to flash, configure the following options:
  * :kconfig:option:`CONFIG_MEMFAULT_NCS_INTERNAL_FLASH_BACKED_COREDUMP` - To enable storing to flash.
  * :kconfig:option:`CONFIG_PM_PARTITION_SIZE_MEMFAULT_STORAGE` - To set the size of the coredumps storage flash partition.
 
-For extended documentation regarding |NCS| Memfault integration, see :ref:`mod_memfault` module.
+For extended documentation regarding |NCS| Memfault integration, see :ref:`ug_memfault` documentation.
 
 Module states
 *************