sungem: Fix global namespace pollution of phy accessors.

The sungem driver has "phy_read()" and "phy_write()" functions, which
we need to rename because the generic phy layer is about to export
generic interfaces with the same name.

Signed-off-by: David S. Miller <davem@davemloft.net>

diff --cc drivers/net/ethernet/sun/sungem.c
Simple merge

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