docs/zh_CN: add infiniband sysfs translation

Translate Documentation/infiniband/sysfs.rst into Chinese.
Signed-off-by: NYanteng Si <siyanteng@loongson.cn>
Reviewed-by: NAlex Shi <alexs@kernel.org>
Reviewed-by: NPuyu Wang <realpuyuwang@gmail.com>
Link: https://lore.kernel.org/r/dbd542628b71160f7bddd33a76cb77b127a9b826.1628218477.git.siyanteng@loongson.cnSigned-off-by: NJonathan Corbet <corbet@lwn.net>

Documentation/translations/zh_CN/infiniband/index.rst

@@ -25,10 +25,10 @@ infiniband
    core_locking
    ipoib
    opa_vnic
+   sysfs
 
 TODOLIST:
 
-   sysfs
    tag_matching
    user_mad
    user_verbs

Documentation/translations/zh_CN/infiniband/sysfs.rst

+.. include:: ../disclaimer-zh_CN.rst
+
+:Original: Documentation/infiniband/sysfs.rst
+
+:翻译:
+
+ 司延腾 Yanteng Si <siyanteng@loongson.cn>
+
+:校译:
+
+ 王普宇 Puyu Wang <realpuyuwang@gmail.com>
+ 时奎亮 Alex Shi <alexs@kernel.org>
+
+.. _cn_infiniband_sysfs:
+
+=========
+Sysfs文件
+=========
+
+sysfs接口已移至
+Documentation/ABI/stable/sysfs-class-infiniband.