ploc supervisor update available cmd, wip

mission/devices/PlocSupervisorHandler.h

@@ -194,6 +194,12 @@ private:
 
 	void prepareRestartTriesCmd(const uint8_t * commandData);
 
+	/**
+	 * @brief   This function fills the command buffer with the packet to notify the supervisor
+	 *          about the availability of an update for the MPSoC
+	 */
+	void prepareUpdateAvailableCmd(const uint8_t * commandData);
+
 	/**
 	 * @brief   In case an acknowledgment failure reply has been received this function disables
 	 *          all previously enabled commands and resets the exepected replies variable of an