fix gpio node ok status label

hardware/PiGpio/locales/de/36-rpi-gpio.json

@@ -52,7 +52,8 @@
       "closed" : "geschlossen",
       "not-running" : "nicht aktiv",
       "not-available" : "nicht verfügbar",
-      "na" : "N/A: __Wert__"
+      "na" : "N/A: __Wert__",
+      "ok": "OK"
     },
     "errors" : {
       "ignorenode" : "Raspberry Pi-spezifische Nodes inaktiv",

hardware/PiGpio/locales/en-US/36-rpi-gpio.json

@@ -53,7 +53,8 @@
             "closed": "closed",
             "not-running": "not running",
             "not-available": "not available",
-            "na": "N/A : __value__"
+            "na": "N/A : __value__",
+            "ok": "OK"
         },
         "errors": {
             "ignorenode": "Raspberry Pi specific node set inactive",

hardware/PiGpio/locales/ja/36-rpi-gpio.json

@@ -52,7 +52,8 @@
         "closed": "切断",
         "not-running": "停止中",
         "not-available": "利用不可",
-        "na": "N/A : __value__"
+        "na": "N/A : __value__",
+        "ok": "OK"
     },
     "errors": {
         "ignorenode": "Raspberry Pi固有のノードを無視しました",

hardware/PiGpio/locales/ko/36-rpi-gpio.json

@@ -52,7 +52,8 @@
         "closed": "절단",
         "not-running": "정지중",
         "not-available": "이용불가",
-        "na": "N/A : __value__"
+        "na": "N/A : __value__",
+        "ok": "OK"
     },
     "errors": {
         "ignorenode": "Raspberry Pi고유의 노드를 무시했습니다",