chore(core/embed/boardloader): generate changelog, set correct version

core/embed/boardloader/.changelog.d/2955.fixed

@@ -1 +0,0 @@
-Fixed gamma correction settings for Model T

core/embed/boardloader/.changelog.d/2989.added

@@ -1 +0,0 @@
-Added support for STM32F429I-DISC1 board

core/embed/boardloader/.changelog.d/3222.fixed

@@ -1 +0,0 @@
-Removed unwanted delay when resetting LCD on the Model R.

core/embed/boardloader/CHANGELOG.md

@@ -4,6 +4,16 @@ 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/).
 
+## 2.1.1 [September 2023]
+
+### Added
+- Added support for STM32F429I-DISC1 board  [#2989]
+
+### Fixed
+- Fixed gamma correction settings for Model T  [#2955]
+- Removed unwanted delay when resetting LCD on the Model R.  [#3222]
+
+
 ## 2.1.0 [June 2023]
 
 Internal only release for Model R prototypes.
@@ -30,4 +40,7 @@ Internal only release for Model R prototypes.
 [#2587]: https://github.com/trezor/trezor-firmware/pull/2587
 [#2595]: https://github.com/trezor/trezor-firmware/pull/2595
 [#2623]: https://github.com/trezor/trezor-firmware/pull/2623
+[#2955]: https://github.com/trezor/trezor-firmware/pull/2955
+[#2989]: https://github.com/trezor/trezor-firmware/pull/2989
 [#3048]: https://github.com/trezor/trezor-firmware/pull/3048
+[#3222]: https://github.com/trezor/trezor-firmware/pull/3222

core/embed/boardloader/version.h

@@ -1,4 +1,4 @@
 #define VERSION_MAJOR 2
 #define VERSION_MINOR 1
-#define VERSION_PATCH 0
+#define VERSION_PATCH 1
 #define VERSION_BUILD 0