niu: fix PHY template choice for 10G copper

Fixed a typo in niu_determine_phy_disposition() which resulted in
phy_template_1g_copper being selected for 10G/copper configuration.
Signed-off-by: Constantin Baranov <baranov@mercdev.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/niu.c

@@ -2456,7 +2456,7 @@ static int niu_determine_phy_disposition(struct niu *np)
 
 		case NIU_FLAGS_10G:
 			/* 10G copper */
-			tp = &phy_template_1g_copper;
+			tp = &phy_template_10g_copper;
 			break;
 
 		case NIU_FLAGS_FIBER: