Updates for 2.2.0 release

Update release notes and various release version files.

Signed-off-by: David Brown <david.brown@linaro.org>

Author: d3zd3z

README.md

@@ -18,7 +18,7 @@
 [travis]: https://travis-ci.org/mcu-tools/mcuboot
 [license]: https://github.com/mcu-tools/mcuboot/blob/main/LICENSE
 
-This is MCUboot version 2.2.0-rc2
+This is MCUboot version 2.2.0
 
 MCUboot is a secure bootloader for 32-bits microcontrollers. It defines a
 common infrastructure for the bootloader and the system flash layout on

docs/index.md

@@ -1,7 +1,7 @@
 # MCUboot
 
 MCUboot is a secure bootloader for 32-bits microcontrollers.  This document is
-for release v2.2.0-rc2.
+for release v2.2.0.
 
 Please see [Contributing](contributing.md) on how you can contribute to MCUboot.
 

docs/release-notes.md

@@ -89,6 +89,8 @@
 - Fixed issue with trailer and swap status sizes wrongly being
   included in single slot/firmware loaded modes which wrongly
   reduced the maximum allowable firmware sizes.
+- Fixes for Zephyr 4.1 and MPU/SYSMPU renaming
+- Fix support for MCX-N9XX with Zephyr.
 
 ## Version 2.1.0
 

scripts/imgtool/__init__.py

@@ -14,4 +14,4 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-imgtool_version = "2.2.0rc2"
+imgtool_version = "2.2.0"