phy: kill excess code

Remove some excess code:

- convert assignments to initializers;

- kill useless assignments before *return*.

Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

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

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