zte's code,first commit

Change-Id: I9a04da59e459a9bc0d67f101f700d9d7dc8d681b
diff --git a/ap/lib/libcurl/curl-7.54.1/docs/cmdline-opts/tcp-fastopen.d b/ap/lib/libcurl/curl-7.54.1/docs/cmdline-opts/tcp-fastopen.d
new file mode 100644
index 0000000..08e141d
--- /dev/null
+++ b/ap/lib/libcurl/curl-7.54.1/docs/cmdline-opts/tcp-fastopen.d
@@ -0,0 +1,5 @@
+Long: tcp-fastopen
+Added: 7.49.0
+Help: Use TCP Fast Open
+---
+Enable use of TCP Fast Open (RFC7413).