README.md: Add missing feature of MCU hotplug. Refs
@@ -162,6 +162,7 @@ See [doc/tested-boards.md](doc/tested-boards.md)
* OTP area programming (See [#202](https://github.com/texane/stlink/issues/202))
* EEPROM area programming (See [#318](https://github.com/texane/stlink/issues/218))
* Protection bits area reading (See [#346](https://github.com/texane/stlink/issues/346))
+* MCU hotplug (See [#449](https://github.com/texane/stlink/issues/449))
## Known bugs
