support aliyun sdk on TencentOS tiny

sample: examples\aliyun_iotkit_csdk_mqtt
project: board\TencentOS_tiny_EVB_MX_Plus\KEIL\aliyun_iotkit_csdk_mqtt

components/connectivity/iotkit-embedded-3.0.1/3rdparty/src/http2/http2_config.h

@@ -0,0 +1,20 @@
+/*
+ * Copyright (C) 2015-2018 Alibaba Group Holding Limited
+ */
+
+#ifndef _HTTP2_CONFIG_H
+#define _HTTP2_CONFIG_H
+
+/* maximum packet len in one http2 frame */
+#ifndef FS_UPLOAD_PACKET_LEN
+#define FS_UPLOAD_PACKET_LEN        10240                   /* must < 16384 */
+#endif
+
+/* maximum content len of the http2 request */
+#ifndef FS_UPLOAD_PART_LEN
+#define FS_UPLOAD_PART_LEN          (1024 * 1024 * 4)       /* 100KB ~ 100MB */
+#endif
+
+
+#endif /* #ifdef _HTTP2_CONFIG_H */
+