Docs/zh_CN: align title underline for ubifs.rst

align title underline for ubifs.rst

Signed-off-by: Shao Mingyin <shao.mingyin@zte.com.cn>
Reviewed-by: Dongliang Mu <dzm91@hust.edu.cn>
Signed-off-by: Alex Shi <alexs@kernel.org>
This commit is contained in:
shaomingyin 2025-09-18 14:36:43 +08:00 • committed by Alex Shi
commit 46b194beee