[2317] Added option-def section in dhcp4.spec.

src/bin/dhcp4/dhcp4.spec

@@ -34,6 +34,63 @@
         "item_default": 4000
       },
 
+      { "item_name": "option-def",
+        "item_type": "list",
+        "item_optional": false,
+        "item_default": [],
+        "list_item_spec":
+        {
+          "item_name": "single-option-def",
+          "item_type": "map",
+          "item_optional": false,
+          "item_default": {},
+          "map_item_spec": [
+          {
+            "item_name": "name",
+            "item_type": "string",
+            "item_optional": false,
+            "item_default": ""
+          },
+
+          { "item_name": "code",
+            "item_type": "integer",
+            "item_optional": false,
+            "item_default": 0,
+          },
+
+          { "item_name": "type",
+            "item_type": "string",
+            "item_optional": false,
+            "item_default": "",
+          },
+
+          { "item_name": "array",
+            "item_type": "boolean",
+            "item_optional": false,
+            "item_default": False
+          },
+
+          { "item_name": "record_types",
+            "item_type": "list",
+            "item_optional": false,
+            "item_default": [],
+            "list_item_spec":
+            {
+              "item_name": "record-type",
+              "item_type": "string",
+              "item_optional": false,
+              "item_default": ""
+            }
+          },
+
+          { "item_name": "space",
+            "item_type": "string",
+            "item_optional": false,
+            "item_default": ""
+          } ]
+        }
+      },
+
       { "item_name": "option-data",
         "item_type": "list",
         "item_optional": false,