The DSA driver uses set_mac_eee() for the outside API while
the interal helper is called port_eee_set(). Align that.
Additionally do not call the internal helpers directly by
the function names but use the register assignments.
Signed-off-by: Markus Stockhausen <markus.stockhausen@gmx.de>
Link: https://github.com/openwrt/openwrt/pull/18935
Signed-off-by: Robert Marko <robimarko@gmail.com>