feat: update quietness ranking of CCU

Author: andy23512

src/app/const/device.consts.ts

@@ -159,7 +159,7 @@ const CCU: Device = {
   },
   other: {
     pointingDevice: 'Cursor Movement Key',
-    quietnessRanking: '???',
+    quietnessRanking: 'N/A',
     led: false,
   },
 };