docs/zh_CN: add parisc index translation

This patch translates Documentation/parisc/index.rst into Chinese.
Signed-off-by: Yanteng Si <siyanteng@loongson.cn>
Reviewed-by: Wu XiangCheng <bobwxc@email.cn>
Link: https://lore.kernel.org/r/c13ce34b11a65e1f18c4e37566509ead82f2c15f.1620805100.git.siyanteng@loongson.cnSigned-off-by: Jonathan Corbet <corbet@lwn.net>

Documentation/translations/zh_CN/index.rst

@@ -153,6 +153,7 @@ TODOList:
    arm64/index
    riscv/index
    openrisc/index
+   parisc/index
 
 TODOList:
 
@@ -160,7 +161,6 @@ TODOList:
 * ia64/index
 * m68k/index
 * nios2/index
-* parisc/index
 * powerpc/index
 * s390/index
 * sh/index

Documentation/translations/zh_CN/parisc/index.rst

+.. SPDX-License-Identifier: GPL-2.0
+.. include:: ../disclaimer-zh_CN.rst
+
+:Original: Documentation/parisc/index.rst
+:Translator: Yanteng Si <siyanteng@loongson.cn>
+
+.. _cn_parisc_index:
+
+====================
+PA-RISC体系架构
+====================
+
+Todolist:
+
+   debugging
+   registers
+   features
+
+.. only::  subproject and html
+
+   Indices
+   =======
+
+   * :ref:`genindex`