add linux board project

board/Linux_Posix/mqtt_demo/inc/mqtt_config.h

@@ -0,0 +1,27 @@
+#ifndef  TOS_MQTT_CONFIG_H
+#define  TOS_MQTT_CONFIG_H
+
+#define MQTT_SERVER_IP          "111.230.189.156"
+#define MQTT_SERVER_PORT        "1883"
+#define MQTT_PRODUCT_ID         "$product"
+#define MQTT_DEV_NAME           "$dev"
+#define MQTT_CLIENT_ID          "$product$dev"
+#define MQTT_USR_NAME           "$product$dev;21010406;12365;4294967295"
+#define MQTT_PASSWORD           "$sign;hmacsha1"
+#define MQTT_SUBSCRIBE_TOPIC    "$product/$dev/$sub"
+#define MQTT_PUBLISH_TOPIC      "$product/$dev/$pub"
+
+//#error please replace yourself server configuration
+/**
+ * 1. run python tool
+ * ```
+ *  cd tiny/tools/
+ *  python3 mqtt_config_gen.py
+ * ```
+ * then input your server information
+ * 
+ * 2. tool will generate `mqtt_config.h` file, copy to replace this file
+ */
+
+#endif
+