Update pci-skeleton net driver:

Replace MII-related magic numbers with meaningful constants
listed in linux/mii.h.

drivers/net/pci-skeleton.c

@@ -834,7 +834,7 @@ static int __devinit netdrv_init_one (struct pci_dev *pdev,
 		printk (KERN_INFO
 			"%s: Media type forced to Full Duplex.\n",
 			dev->name);
-		mdio_write (dev, tp->phys[0], 4, 0x141);
+		mdio_write (dev, tp->phys[0], MII_ADVERTISE, ADVERTISE_FULL);
 		tp->duplex_lock = 1;
 	}
 
@@ -1235,20 +1235,20 @@ static void netdrv_timer (unsigned long data)
 	struct netdrv_private *tp = dev->priv;
 	void *ioaddr = tp->mmio_addr;
 	int next_tick = 60 * HZ;
-	int mii_reg5;
+	int mii_lpa;
 
-	mii_reg5 = mdio_read (dev, tp->phys[0], 5);
+	mii_lpa = mdio_read (dev, tp->phys[0], MII_LPA);
 
-	if (!tp->duplex_lock && mii_reg5 != 0xffff) {
-		int duplex = (mii_reg5 & 0x0100)
-		    || (mii_reg5 & 0x01C0) == 0x0040;
+	if (!tp->duplex_lock && mii_lpa != 0xffff) {
+		int duplex = (mii_lpa & LPA_100FULL)
+		    || (mii_lpa & 0x01C0) == 0x0040;
 		if (tp->full_duplex != duplex) {
 			tp->full_duplex = duplex;
 			printk (KERN_INFO
 				"%s: Setting %s-duplex based on MII #%d link"
 				" partner ability of %4.4x.\n", dev->name,
 				tp->full_duplex ? "full" : "half",
-				tp->phys[0], mii_reg5);
+				tp->phys[0], mii_lpa);
 			NETDRV_W8 (Cfg9346, Cfg9346_Unlock);
 			NETDRV_W8 (Config1, tp->full_duplex ? 0x60 : 0x20);
 			NETDRV_W8 (Cfg9346, Cfg9346_Lock);