miiphy: convert to linux/mii.h

The include/miiphy.h header duplicates a lot of things from linux/mii.h.
So punt all the things that overlap to keep the API simple and to make
merging between U-Boot and Linux simpler.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>
diff --git a/drivers/net/fsl_mcdmafec.c b/drivers/net/fsl_mcdmafec.c
index 35a6dfb..5330dbc 100644
--- a/drivers/net/fsl_mcdmafec.c
+++ b/drivers/net/fsl_mcdmafec.c
@@ -200,7 +200,7 @@
 	cbd_t *pTbd, *pUsedTbd;
 	u16 phyStatus;
 
-	miiphy_read(dev->name, info->phy_addr, PHY_BMSR, &phyStatus);
+	miiphy_read(dev->name, info->phy_addr, MII_BMSR, &phyStatus);
 
 	/* process all the consumed TBDs */
 	while (info->cleanTbdNum < CONFIG_SYS_TX_ETH_BUFFER) {