net: sh_eth: add the value of tsu to the SH7757's GETHER

The SH7757's GETHER has TSU registers. So, this patch adds the value
of ".tsu = 1" in the sh_eth_cpu_data.

Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ethernet/renesas/sh_eth.c

@@ -268,6 +268,7 @@ static struct sh_eth_cpu_data sh_eth_my_cpu_data_giga = {
 	.rpadir_value   = 2 << 16,
 	.no_trimd	= 1,
 	.no_ade		= 1,
+	.tsu		= 1,
 };
 
 static struct sh_eth_cpu_data *sh_eth_get_cpu_data(struct sh_eth_private *mdp)