scripts/kernel-doc: add a symlink to the Perl version of kernel-doc

Preserve kernel-doc name, associating with the curent version
in Perl.

Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Link: https://lore.kernel.org/r/a5d69e436287433ad8be066c648a77ffe493c21c.1744106241.git.mchehab+huawei@kernel.org

diff --git a/scripts/kernel-doc b/scripts/kernel-doc
new file mode 120000 (symlink)
index 0000000..f175155
--- /dev/null
+++ b/scripts/kernel-doc
@@ -0,0 +1 @@
+kernel-doc.pl
\ No newline at end of file