Add toolchain for WAMR (#127)

* add toolchain for wamr

* add copyright

test-tools/toolchain/sysroot/share/defined-symbols.txt

@@ -0,0 +1,56 @@
+wasm_open_connection
+wasm_close_connection
+wasm_send_on_connection
+wasm_config_connection
+wasm_sensor_open
+wasm_sensor_config
+wasm_sensor_config_with_attr_container
+wasm_sensor_close
+wasm_btn_native_call
+wasm_obj_native_call
+wasm_label_native_call
+wasm_cont_native_call
+wasm_page_native_call
+wasm_list_native_call
+wasm_ddlist_native_call
+wasm_cb_native_call
+wasm_register_resource
+wasm_response_send
+wasm_post_request
+wasm_sub_event
+wasm_create_timer
+wasm_timer_destroy
+wasm_timer_cancel
+wasm_timer_restart
+wasm_get_sys_tick_ms
+wasm_runtime_get_current_module_inst1
+wasm_runtime_validate_app_addr1
+wasm_runtime_validate_native_addr1
+wasm_runtime_addr_app_to_native1
+wasm_runtime_addr_native_to_app1
+printf
+sprintf
+snprintf
+puts
+putchar
+memcmp
+memcpy
+memmove
+memset
+strchr
+strcmp
+strcpy
+strlen
+strncmp
+strncpy
+malloc
+calloc
+strdup
+free
+llvm_bswap_i16
+llvm_bswap_i32
+bitshift64Lshr
+bitshift64Shl
+llvm_stackrestore
+llvm_stacksave
+emscripten_memcpy_big