Add target build for mbed / FRDM-K64F board.

JerryScript-DCO-1.0-Signed-off-by: SaeHie Park saehie.park@samsung.com

targets/mbedk64f/source/native_mbedk64f.cpp

@@ -0,0 +1,25 @@
+/* Copyright 2014-2015 Samsung Electronics Co., Ltd.
+ *
+ * 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.
+ */
+
+#include "mbed-drivers/mbed.h"
+
+#include "native_mbedk64f.h"
+
+
+void native_led(int port, int val) {
+  static const PinName portmap[] = { LED1, LED2, LED3, LED4 };
+  DigitalOut led(portmap[port]);
+  led = val;
+}