[VOL-3836] Extract the OLT pipeliners from ONOS

Change-Id: I0dc99aabcb17b46fc5dc8bbe8e3bbd5ece52058a
diff --git a/impl/src/main/java/org/opencord/olt/driver/OltDriversLoader.java b/impl/src/main/java/org/opencord/olt/driver/OltDriversLoader.java
new file mode 100644
index 0000000..a91621f
--- /dev/null
+++ b/impl/src/main/java/org/opencord/olt/driver/OltDriversLoader.java
@@ -0,0 +1,46 @@
+/*
+ * Copyright 2021-present Open Networking Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.opencord.olt.driver;
+
+import org.onosproject.net.driver.AbstractDriverLoader;
+import org.osgi.service.component.annotations.Component;
+import org.slf4j.Logger;
+
+import static org.slf4j.LoggerFactory.getLogger;
+
+/**
+ * Loader for olt device drivers.
+ */
+@Component(immediate = true)
+public class OltDriversLoader extends AbstractDriverLoader {
+
+    private final Logger log = getLogger(getClass());
+
+    public OltDriversLoader() {
+        super("/olt-drivers.xml");
+    }
+
+    @Override
+    public void activate() {
+        super.activate();
+    }
+
+    @Override
+    public void deactivate() {
+        super.deactivate();
+    }
+}