zte's code,first commit

Change-Id: I9a04da59e459a9bc0d67f101f700d9d7dc8d681b
diff --git a/ap/lib/libcurl/curl-7.54.1/docs/cmdline-opts/crlfile.d b/ap/lib/libcurl/curl-7.54.1/docs/cmdline-opts/crlfile.d
new file mode 100644
index 0000000..0fcc63c
--- /dev/null
+++ b/ap/lib/libcurl/curl-7.54.1/docs/cmdline-opts/crlfile.d
@@ -0,0 +1,10 @@
+Long: crlfile
+Arg: <file>
+Protocols: TLS
+Help: Get a CRL list in PEM format from the given file
+Added: 7.19.7
+---
+Provide a file using PEM format with a Certificate Revocation List that may
+specify peer certificates that are to be considered revoked.
+
+If this option is used several times, the last one will be used.