Deprecation notice for LoRaWANBase

A deprecation notice has been added for any users of LoRaWANBase and any
existing reference is redirected to LoRaWANInterface.

features/lorawan/LoRaWANBase.h

@@ -0,0 +1,30 @@
+/**
+ * Copyright (c) 2017, Arm Limited and affiliates.
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * 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.
+ */
+
+#ifndef LORAWANBASE_H_
+#define LORAWANBASE_H_
+
+/**
+ * This class is deprecated and will be removed altogether after expiration of
+ * deprecation notice.
+ */
+#include "LoRaWANInterface.h"
+
+MBED_DEPRECATED_SINCE("mbed-os-5.12", "Migrated to LoRaWANInterface")
+typedef LoRaWANInterface LoRaWANBase;
+
+#endif /* LORAWANBASE_H_ */