Merge branch 'net-hns3-use-seq_file-for-debugfs'

Jijie Shao says:

====================
net: hns3: use seq_file for debugfs

Arnd reported that there are two build warning for on-stasck
buffer oversize. As Arnd's suggestion, using seq file way
to avoid the stack buffer or kmalloc buffer allocating.

v2: https://lore.kernel.org/20250711061725.225585-1-shaojijie@huawei.com
v1: https://lore.kernel.org/20250708130029.1310872-1-shaojijie@huawei.com
====================

Link: https://patch.msgid.link/20250714061037.2616413-1-shaojijie@huawei.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>