docs(core+legacy): update changelogs to new format

core/embed/boardloader/CHANGELOG.md

@@ -0,0 +1,18 @@
+# Changelog
+
+All notable changes to this project will be documented in this file.
+
+The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
+
+## [Unreleased]
+
+### Added
+
+### Deprecated
+
+### Removed
+
+### Fixed
+
+### Security
+

core/embed/bootloader/CHANGELOG.md

@@ -19,14 +19,18 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 
 ------------
 
-### Older changelog:
+## 2.0.3 [Mar 2019]
 
-Version 2.0.3 [Mar 2019]
-* enable MPU
-* introduce delays to USB stack
+### Security
+- Enable MPU
+- Introduce delays to USB stack
 
-Version 2.0.2 [Dec 2018]
-* add support for a new display driver
+## 2.0.2 [Dec 2018]
 
-Version 2.0.1 [Feb 2018]
-* first public release
+### Added
+- Support for a new display driver
+
+## 2.0.1 [Feb 2018]
+
+### Added
+- First public release

core/embed/bootloader_ci/CHANGELOG.md

@@ -16,17 +16,15 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 
 ### Security
 
+## 1.0.1 [Jan 2021]
 
-------------
-
-### Older changelog:
-
-Version 1.0.1 [Jan 2021]
-* decouple files from original bootloader as it will be reworked and symlink
+### Added
+- Decouple files from original bootloader as it will be reworked and symlink
   magic will break
-* version in version.h must be kept to match the original bootloader,
+- Version in version.h must be kept to match the original bootloader,
   otherwise firmware update will fail (bootloader will look too old)
 
-Version 1.0.0 [Aug 2020]
-* initial version
+## 1.0.0 [Aug 2020]
 
+### Added
+- Initial version

legacy/intermediate_fw/CHANGELOG.md

@@ -0,0 +1,30 @@
+# Changelog
+
+All notable changes to this project will be documented in this file.
+
+The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
+
+## [Unreleased]
+
+### Added
+
+### Deprecated
+
+### Removed
+
+### Fixed
+
+### Security
+
+## 1.9.0 [Feb 2021]
+
+### Added
+- Update bootloader to 1.9.0
+
+## 1.8.0 [Jun 2021]
+
+### Added
+- Initial version of intermediate firmware
+- Update bootloader to 1.8.0
+- Deletes storage and the intermediate firmware code
+- Version of intermediate firmware matches bootloader version included

legacy/intermediate_fw/ChangeLog

@@ -1,31 +0,0 @@
-# Changelog
-
-All notable changes to this project will be documented in this file.
-
-The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
-
-## [Unreleased]
-
-### Added
-
-### Deprecated
-
-### Removed
-
-### Fixed
-
-### Security
-
-------------
-
-### Older changelog:
-
-Version 1.9.0 [February 2021]
-* Updates bootloader to 1.9.0
-
-Version 1.8.0 [June 2020]
-* Initial version of intermediate firmware
-* Updates bootloader to 1.8.0
-* Deletes storage and the intermediate firmware code
-* Version of intermediate firmware matches bootloader version included
-