Remove now incorrect comment regarding port 5 as GMAC5. This is supposed to
be supported since commit 347b5aa9eb37 ("net: dsa: mt7530: Add support for
port 5") under mt7530_setup_port5().
Fixes: 347b5aa9eb37 ("net: dsa: mt7530: Add support for port 5") Signed-off-by: Arınç ÜNAL <arinc.unal@arinc9.com> Link: https://lore.kernel.org/r/20230310073338.5836-1-arinc.unal@arinc9.com Signed-off-by: Jakub Kicinski <kuba@kernel.org> Signed-off-by: Sasha Levin <sashal@kernel.org>