Merge pull request #286 from NordicSemiconductor/update-relese-notes-2100-overlay

Update change log

Author: kylebonnici

Changelog.md

@@ -2,15 +2,23 @@
 
 ### Added
 
--   nPM2100: Uploading of custom battery models from the **Fuel Gauge** side
-    panel.
+-   nPM2100:
+    -   Uploading of custom battery models from the **Fuel Gauge** side panel.
+    -   Improved nPM2100 overlay file generation. This covers comprehensive
+        device configuration export, including GPIO interrupt handling, power
+        management settings, regulator modes, and improved naming conventions.
 
 ### Changed
 
 -   nPM2100: Setting the Boost regulator to the forced pass-through mode will
     now first set the output voltage VOUT to the minimum setting (1.8 V), in
     accordance with the datasheet.
 
+### Fixed
+
+-   Fixed syntax errors in generated nPM2100 overlay files, including proper
+    devicetree property syntax and macro usage.
+
 ## 2.2.2 - 2025-08-04
 
 ### Changed