docs: sphinx: kerneldoc: use kernel-doc.py script

Switch to the new version when producing documentation.

Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Link: https://lore.kernel.org/r/a81d8db099d9cef5161deaef40ac9056bf9802a3.1744106242.git.mchehab+huawei@kernel.org

Author: mchehab

Documentation/Makefile

@@ -60,7 +60,7 @@ endif #HAVE_LATEXMK
 # Internal variables.
 PAPEROPT_a4     = -D latex_paper_size=a4
 PAPEROPT_letter = -D latex_paper_size=letter
-KERNELDOC       = $(srctree)/scripts/kernel-doc
+KERNELDOC       = $(srctree)/scripts/kernel-doc.py
 KERNELDOC_CONF  = -D kerneldoc_srctree=$(srctree) -D kerneldoc_bin=$(KERNELDOC)
 ALLSPHINXOPTS   =  $(KERNELDOC_CONF) $(PAPEROPT_$(PAPER)) $(SPHINXOPTS)
 ifneq ($(wildcard $(srctree)/.config),)

Documentation/conf.py

@@ -540,7 +540,7 @@ def get_cline_version():
 # kernel-doc extension configuration for running Sphinx directly (e.g. by Read
 # the Docs). In a normal build, these are supplied from the Makefile via command
 # line arguments.
-kerneldoc_bin = '../scripts/kernel-doc'
+kerneldoc_bin = '../scripts/kernel-doc.py'
 kerneldoc_srctree = '..'
 
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