net: phy: replace phy_driver_register calls

Replace module init/exit which only calls phy_driver_register with
module_phy_driver macro.

Compile tested only.

Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --cc drivers/net/phy/amd.c
Simple merge

diff --cc drivers/net/phy/et1011c.c
Simple merge

diff --cc drivers/net/phy/national.c
Simple merge

diff --cc drivers/net/phy/qsemi.c
Simple merge