Add target build for ESP8266 board.

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

targets/esp8266/LICENSE

@@ -0,0 +1,56 @@
+Copyright 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.
+
+================================================================================
+
+ESPRSSIF MIT License
+
+Copyright (c) 2015 <ESPRESSIF SYSTEMS (SHANGHAI) PTE LTD>
+
+Permission is hereby granted for use on ESPRESSIF SYSTEMS ESP8266 only, in which case,
+it is free of charge, to any person obtaining a copy of this software and associated
+documentation files (the ¡°Software¡±), to deal in the Software without restriction,
+including without limitation the rights to use, copy, modify, merge, publish, distribute,
+sublicense, and/or sell copies of the Software, and to permit persons to whom the Software
+is furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all copies or
+substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED ¡°AS IS¡±, WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
+INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
+PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE
+FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+DEALINGS IN THE SOFTWARE.
+
+
+ÀÖöÎ MIT Ðí¿ÉÖ¤
+
+°æȨ (c) 2015  <ÀÖöÎÐÅÏ¢¿Æ¼¼£¨ÉϺ££©ÓÐÏÞ¹«Ë¾>
+
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