[PATCH v2] doc: zh_CN: index files in arm64 subdirectory

[Bailu Lin]

Add arm64 subdirectory into the table of Contents for zh_CN,
all translations residing on it would be indexed conveniently.

Signed-off-by: Bailu Lin <bailu.lin@xxxxxxxx>
---
v2:
  -Fix patch description.
---
 Documentation/arm64/index.rst                    |  4 ++++
 Documentation/translations/zh_CN/arm64/index.rst | 16 ++++++++++++++++
 Documentation/translations/zh_CN/index.rst       |  1 +
 3 files changed, 21 insertions(+)
 create mode 100644 Documentation/translations/zh_CN/arm64/index.rst

diff --git a/Documentation/arm64/index.rst b/Documentation/arm64/index.rst
index d9665d83c53a..907cda9c0f71 100644
--- a/Documentation/arm64/index.rst
+++ b/Documentation/arm64/index.rst
@@ -1,3 +1,7 @@
+.. SPDX-License-Identifier: GPL-2.0
+
+.. _arm64_index:
+
 ==================
 ARM64 Architecture
 ==================
diff --git a/Documentation/translations/zh_CN/arm64/index.rst b/Documentation/translations/zh_CN/arm64/index.rsts
index 000000000000..c236b648740d
--- /dev/null
+++ b/Documentation/translations/zh_CN/arm64/index.rst
@@ -0,0 +1,16 @@
+.. SPDX-License-Identifier: GPL-2.0
+
+.. include:: ../disclaimer-zh_CN.rst
+
+:Original: :ref:`Documentation/arm64/index.rst <arm64_index>`
+:Translator: Bailu Lin <bailu.lin@xxxxxxxx>
+
+.. _cn_arm64_index:
+
+
+==========
+ARM64 架构
+==========
+
+.. toctree::
+    :maxdepth: 2
diff --git a/Documentation/translations/zh_CN/index.rst b/Documentation/translations/zh_CN/index.rst
index 85643e46e308..be6f11176200 100644
--- a/Documentation/translations/zh_CN/index.rst
+++ b/Documentation/translations/zh_CN/index.rst
@@ -19,6 +19,7 @@
    admin-guide/index
    process/index
    filesystems/index
+   arm64/index
 
 目录和表格
 ----------
-- 
2.20.1