zte's code,first commit

Change-Id: I9a04da59e459a9bc0d67f101f700d9d7dc8d681b
diff --git a/ap/lib/libcurl/curl-7.54.1/docs/cmdline-opts/crlf.d b/ap/lib/libcurl/curl-7.54.1/docs/cmdline-opts/crlf.d
new file mode 100644
index 0000000..f6694b6
--- /dev/null
+++ b/ap/lib/libcurl/curl-7.54.1/docs/cmdline-opts/crlf.d
@@ -0,0 +1,7 @@
+Long: crlf
+Help: Convert LF to CRLF in upload
+Protocols: FTP SMTP
+---
+Convert LF to CRLF in upload. Useful for MVS (OS/390).
+
+(SMTP added in 7.40.0)