net: sxgbe: sw reset moved to probe function

This patch moves sw reset to probe function because
sw reset is needed early stage before open function.

Signed-off-by: Byungho An <bh74.an@samsung.net>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --cc drivers/net/ethernet/samsung/sxgbe/sxgbe_dma.c
Simple merge

diff --cc drivers/net/ethernet/samsung/sxgbe/sxgbe_main.c
Simple merge