docs/zh_CN: add peci index translation

Translate .../pici/index.rst into Chinese
Signed-off-by: Yanteng Si <siyanteng@loongson.cn>
Link: https://lore.kernel.org/r/9fdba94417277ae20db7e3b13418584c652be93f.1646108017.git.siyanteng@loongson.cnSigned-off-by: Jonathan Corbet <corbet@lwn.net>

Documentation/translations/zh_CN/index.rst

@@ -114,6 +114,7 @@ TODOList:
    filesystems/index
    scheduler/index
    vm/index
+   peci/index
 
 TODOList:
 

Documentation/translations/zh_CN/peci/index.rst

+.. SPDX-License-Identifier: GPL-2.0-only
+.. include:: ../disclaimer-zh_CN.rst
+
+:Original: Documentation/peci/index.rst
+
+:翻译:
+
+ 司延腾 Yanteng Si <siyanteng@loongson.cn>
+
+:校译:
+
+=================
+Linux PECI 子系统
+=================
+
+.. toctree::
+
+TODOList
+*   peci
+
+.. only::  subproject and html
+
+   Indices
+   =======
+
+   * :ref:`genindex`