Merge branch 'mlxsw-core_thermal-small-cleanups'

Petr Machata says:

====================
mlxsw: core_thermal: Small cleanups

Ido Schimmel says:

Clean up various issues which I noticed while addressing feedback on a
different patchset.
====================

Link: https://patch.msgid.link/cover.1722345311.git.petrm@nvidia.com


Signed-off-by: Jakub Kicinski <kuba@kernel.org>