doc: update changelog

Update changelog for nRF7002-EB II shield addition

Signed-off-by: Bansidhar Mangalwedhekar <[email protected]>

Author: bama-nordic

doc/nrf/releases_and_maturity/releases/release-notes-changelog.rst

@@ -43,7 +43,7 @@ IDE, OS, and tool support
 Board support
 =============
 
-|no_changes_yet_note|
+* Added support for the nRF7002-EB II Wi-Fi shield for use with the nRF54LM20 DK board target.
 
 Build and configuration system
 ==============================