[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/metalink.d b/ap/lib/libcurl/curl-7.86.0/docs/cmdline-opts/metalink.d
new file mode 100755
index 0000000..2a05228
--- /dev/null
+++ b/ap/lib/libcurl/curl-7.86.0/docs/cmdline-opts/metalink.d
@@ -0,0 +1,12 @@
+c: Copyright (C) 1998 - 2022, Daniel Stenberg, <daniel@haxx.se>, et al.
+SPDX-License-Identifier: curl
+Long: metalink
+Help: Process given URLs as metalink XML file
+Added: 7.27.0
+Category: misc
+Example: --metalink file $URL
+See-also: parallel
+Multi: single
+---
+This option was previously used to specify a metalink resource. Metalink
+support has been disabled in curl since 7.78.0 for security reasons.