Fix CHANGELOG.md

Author: KushalMeghani1644

CHANGELOG.md

@@ -1,6 +1 @@
-## [Unreleased]
-
-### Added
-- Added support for the RISC-V `dcsr` (Debug Control and Status Register) CSR.
-  - Created `src/register/dcsr.rs`
-  - Exposed the module in `register.rs`
+Added DCSR (Debug Control and Status Register) CSR support for the RISC-V