Add Efik (efi) (#217)

Requested for translatewiki at
https://translatewiki.net/wiki/Thread:Talk:Support/Activate_new_language:_Efik_(efi)

data/langdb.yaml

@@ -172,6 +172,7 @@ languages:
   dv: [Thaa, [AS], ދިވެހިބަސް]
   dz: [Tibt, [AS], ཇོང་ཁ]
   ee: [Latn, [AF], eʋegbe]
+  efi: [Latn, [AF], efik]
   egl: [Latn, [EU], Emiliàn]
   el: [Grek, [EU], Ελληνικά]
   elm: [Latn, [AF], Eleme]

data/language-data.json

@@ -1053,6 +1053,13 @@
             ],
             "eʋegbe"
         ],
+        "efi": [
+            "Latn",
+            [
+                "AF"
+            ],
+            "efik"
+        ],
         "egl": [
             "Latn",
             [
@@ -5778,6 +5785,7 @@
             "ha",
             "ig",
             "yo",
+            "efi",
             "ha-arab",
             "kcg",
             "ar",