[Feature][ZXW-88]merge P50 version

Only Configure: No
Affected branch: master
Affected module: unknown
Is it affected on both ZXIC and MTK: only ZXIC
Self-test: Yes
Doc Update: No

Change-Id: I34667719d9e0e7e29e8e4368848601cde0a48408
diff --git a/ap/lib/libcurl/curl-7.86.0/docs/cmdline-opts/ftp-pret.d b/ap/lib/libcurl/curl-7.86.0/docs/cmdline-opts/ftp-pret.d
new file mode 100755
index 0000000..f31cc56
--- /dev/null
+++ b/ap/lib/libcurl/curl-7.86.0/docs/cmdline-opts/ftp-pret.d
@@ -0,0 +1,14 @@
+c: Copyright (C) 1998 - 2022, Daniel Stenberg, <daniel@haxx.se>, et al.
+SPDX-License-Identifier: curl
+Long: ftp-pret
+Help: Send PRET before PASV
+Protocols: FTP
+Added: 7.20.0
+Category: ftp
+Example: --ftp-pret ftp://example.com/
+See-also: ftp-port ftp-pasv
+Multi: boolean
+---
+Tell curl to send a PRET command before PASV (and EPSV). Certain FTP servers,
+mainly drftpd, require this non-standard command for directory listings as
+well as up and downloads in PASV mode.