Merge branch 'net-hsr-subsystem-cleanups-and-modernization'

Luka Gejak says:

====================
net: hsr: subsystem cleanups and modernization

This series contains two focused HSR cleanups with practical benefit.
It constifies protocol operation tables and replaces a hardcoded
function name with __func__ to keep diagnostics correct across
refactoring.
====================

Link: https://patch.msgid.link/20260326174600.136232-1-luka.gejak@linux.dev
Signed-off-by: Jakub Kicinski <kuba@kernel.org>