net: sh_eth: modify the PHY_INTERFACE_MODE

The previous code had hardcoded the PHY_INTERFACE_MODE_MII of phy_connect.
So some Gigabit PHYs will not behave correctly.
The patch adds the phy_interface in sh_eth_plat_data, so we can select
the phy interface.

Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/arch/sh/include/asm/sh_eth.h b/arch/sh/include/asm/sh_eth.h
index 1557696..e86c880 100644
--- a/arch/sh/include/asm/sh_eth.h
+++ b/arch/sh/include/asm/sh_eth.h
@@ -1,6 +1,8 @@
 #ifndef __ASM_SH_ETH_H__
 #define __ASM_SH_ETH_H__
 
+#include <linux/phy.h>
+
 enum {EDMAC_LITTLE_ENDIAN, EDMAC_BIG_ENDIAN};
 enum {
 	SH_ETH_REG_GIGABIT,
@@ -12,6 +14,7 @@
 	int phy;
 	int edmac_endian;
 	int register_type;
+	phy_interface_t phy_interface;
 
 	unsigned char mac_addr[6];
 	unsigned no_ether_link:1;