net: macb: Add support for 1000-baseX

Macb can be used with Xilinx PCS/PMA PHY in fpga which is a 1000-baseX
phy(lpa 0x41e0). This patch adds checks for LPA_1000XFULL and
LPA_1000XHALF bits.
Signed-off-by: NRadu Pirea <radu_nicolae.pirea@upb.ro>
Acked-by: NJoe Hershberger <joe.hershberger@ni.com>

drivers/net/macb.c

@@ -615,8 +615,10 @@ static int macb_phy_init(struct macb_device *macb, const char *name)
 	if (gem_is_gigabit_capable(macb)) {
 		lpa = macb_mdio_read(macb, MII_LPA);
 
-		if (lpa & (LPA_1000FULL | LPA_1000HALF)) {
-			duplex = ((lpa & LPA_1000FULL) ? 1 : 0);
+		if (lpa & (LPA_1000FULL | LPA_1000HALF | LPA_1000XFULL |
+					LPA_1000XHALF)) {
+			duplex = ((lpa & (LPA_1000FULL | LPA_1000XFULL)) ?
+					1 : 0);
 
 			printf("%s: link up, 1000Mbps %s-duplex (lpa: 0x%04x)\n",
 			       name,