stmmac: dwmac-socfpga: move socfpga_dwmac_probe function

Move socfpga_dwmac_probe in preparation for turning it into
a proper probe function.

Signed-off-by: Joachim Eastwood <manabian@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
1 file changed