Update CHANGELOG.md

Author: bluewww

CHANGELOG.md

@@ -5,6 +5,10 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/)
 and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html).
 
 ## [Unreleased]
+## [0.5.1] - 2022-04-12
+### Fixed
+- Fixed dmi_bscane_tap top-level signals
+
 ## [0.5.0] - 2022-04-04
 ### Added
 - Add sbaccess8 and sbaccess16 support (#106) [@noytzach](https://github.com/noytzach)