net: sh_eth: modify the definitions of register

The previous code cannot handle the ETHER and GETHER both as same time
because the definitions of register was hardcoded.
Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

arch/sh/include/asm/sh_eth.h

@@ -2,10 +2,16 @@
 #define __ASM_SH_ETH_H__
 
 enum {EDMAC_LITTLE_ENDIAN, EDMAC_BIG_ENDIAN};
+enum {
+	SH_ETH_REG_GIGABIT,
+	SH_ETH_REG_FAST_SH4,
+	SH_ETH_REG_FAST_SH3_SH2
+};
 
 struct sh_eth_plat_data {
 	int phy;
 	int edmac_endian;
+	int register_type;
 
 	unsigned char mac_addr[6];
 	unsigned no_ether_link:1;