Translate .../PCI/acpi-info.rst into Chinese.
Add PCI into .../zh_CN/index.rst.
Signed-off-by: NYanteng Si <siyanteng@loongson.cn>
Reviewed-by: NAlex Shi <alexs@kernel.org>
Reviewed-by: NWu XiangCheng <bobwxc@email.cn>
Link: https://lore.kernel.org/r/f07ba17ae9c6d728d6135ecc0577a932e9836fba.1662449105.git.siyanteng@loongson.cnSigned-off-by: NJonathan Corbet <corbet@lwn.net>