Merge branch 'net-systemport-minor-io-macros-changes'

Florian Fainelli says:

====================
net: systemport: Minor IO macros changes

This patch series addresses the warning initially reported by Vladimir
here:

https://lore.kernel.org/all/20241014150139.927423-1-vladimir.oltean@nxp.com/

and follows on with proceeding with his suggestion the IO macros to the
header file.
====================

Link: https://patch.msgid.link/20241021174935.57658-1-florian.fainelli@broadcom.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>