iec61850-9-2: improve example config

etc/example.conf

@@ -259,13 +259,32 @@ nodes = {
 	},
 	sampled_values_node = {
 		type = "iec61850-9-2",
-		
+
 		interface = "lo",
-		
-		# List of data types
-		publish   = [ "float32", "float64", "int8", "int32" ],
-		subscribe = [ "float32", "float64", "int8", "int32" ]
-	}
+		dst_address = "01:0c:cd:01:00:01",
+	
+		publish = {
+			fields = [
+				"float32",
+				"float64",
+				"int8",
+				"int32"
+			],
+			
+			svid = "test1234",
+			datset = "test",
+			smpmod = "samples_per_second",
+			confrev = 55
+		},
+		subscribe = {
+			fields = [
+				"float32",
+				"float64",
+				"int8",
+				"int32"
+			]
+		}
+	},
 };