ONOS-4420 Implemented BMv2 packet provider

Also, moved DeviceId generation logic from Bmv2DeviceProvider to
Bmv2Device.

Change-Id: I0a7af6d558d054604038a858dce67a2d287bcde3
diff --git a/providers/bmv2/packet/src/main/java/org/onosproject/provider/bmv2/packet/impl/package-info.java b/providers/bmv2/packet/src/main/java/org/onosproject/provider/bmv2/packet/impl/package-info.java
new file mode 100644
index 0000000..3d83ead
--- /dev/null
+++ b/providers/bmv2/packet/src/main/java/org/onosproject/provider/bmv2/packet/impl/package-info.java
@@ -0,0 +1,20 @@
+/*
+ * Copyright 2016-present Open Networking Laboratory
+ *
+ * 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.
+ */
+
+/**
+ * Provider that use Thrift as a mean of listening for packet-ins and emitting packet-outs.
+ */
+package org.onosproject.provider.bmv2.packet.impl;
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