e1000: fix mispatch for media type detect.

Recent patch was mismerged in the miitool path. e1000_media_type_copper
was being compared with the phy type instead of the media type.
Signed-off-by: NJesse Brandeburg <jesse.brandeburg@intel.com>
Signed-off-by: NAuke Kok <auke-jan.h.kok@intel.com>

drivers/net/e1000/e1000_main.c

@@ -4174,7 +4174,7 @@ e1000_mii_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd)
 			spin_unlock_irqrestore(&adapter->stats_lock, flags);
 			return -EIO;
 		}
-		if (adapter->hw.phy_type == e1000_media_type_copper) {
+		if (adapter->hw.media_type == e1000_media_type_copper) {
 			switch (data->reg_num) {
 			case PHY_CTRL:
 				if (mii_reg & MII_CR_POWER_DOWN)