added copyright header

Author: JojoS62

targets/TARGET_NXP/TARGET_LPC176X/TARGET_LPCXPRESSO_LPC1769/reserved_pins.h

@@ -1,4 +1,19 @@
-// List of reserved pins for MBED LPC1768
+/* mbed Microcontroller Library
+ * Copyright (c) 2006-2013 ARM Limited
+ * 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 RESERVED_PINS_H
 #define RESERVED_PINS_H