zte's code,first commit

Change-Id: I9a04da59e459a9bc0d67f101f700d9d7dc8d681b
diff --git a/ap/lib/libcurl/curl-7.54.1/docs/cmdline-opts/tlsv1.d b/ap/lib/libcurl/curl-7.54.1/docs/cmdline-opts/tlsv1.d
new file mode 100644
index 0000000..9c9f6b3
--- /dev/null
+++ b/ap/lib/libcurl/curl-7.54.1/docs/cmdline-opts/tlsv1.d
@@ -0,0 +1,12 @@
+Short: 1
+Long: tlsv1
+Tags: Versions
+Protocols: SSL
+Added:
+Mutexed: tlsv1.1 tlsv1.2 tlsv1.3
+Requires: TLS
+See-also: http1.1 http2
+Help: Use TLSv1.0 or greater
+---
+Tells curl to use TLS version 1.x when negotiating with a remote TLS
+server. That means TLS version 1.0, 1.1 or 1.2.