message: Add missing line for supporting flashing CM3+
  Change-type: patch
diff: @@ -46,6 +46,7 @@ This project adheres to [Semantic Versioning](http://semver.org/).
  ### Misc
  - Reworked flashing logic with etcher-sdk
  +- Add support for flashing Raspberry Pi CM3+
  - Upgrade to Electron v3.
  - Upgrade to NPM 6.7.0
  - Fix incorrect drives list on Linux
  