docs/zh_CN: Update zh_CN/kernel-hacking/hacking.rst to 5.19-rc1

* update to commit f35cf1a5 ("Documentation: kernel-hacking: minor
  edits for style")

* fix a homophone typo reported by Li Feng

Reported-by: Li Feng <felixlee868@icloud.com>
Signed-off-by: Wu XiangCheng <bobwxc@email.cn>
Reviewed-by: Yanteng Si <siyanteng@loongson.cn>
Link: https://lore.kernel.org/r/Yp41+eTjoPRa4hrl@bobwxc.mipc


Signed-off-by: Jonathan Corbet <corbet@lwn.net>