net: stmmac: move probe/remove calling of init/exit

net: stmmac: move probe/remove calling of init/exit

Move the probe/remove time calling of the init()/exit() methods in
the platform data to the main driver probe/remove functions. This
allows them to be used by non-platform_device based drivers.

Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Reviewed-by: Maxime Chevallier <maxime.chevallier@bootlin.com>
Link: https://patch.msgid.link/E1vLf2Z-0000000FMNH-0xPV@rmk-PC.armlinux.org.uk
Signed-off-by: Jakub Kicinski <kuba@kernel.org>