BugID:17952514: add linkkit keil project to stm32f429zi
linux_only_targets="athostapp blink coapapp helloworld http2app httpapp linkkit_gateway linkkitapp meshapp modbus_demo mqttapp otaapp tls udataapp udevapp ulocationapp yts"
-windows_only_targets="helloworld|COMPILER=armcc helloworld|COMPILER=iar"
+windows_only_targets="helloworld|COMPILER=armcc linkkitapp|COMPILER=armcc helloworld|COMPILER=iar"
