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/board/actux1/actux1.c b/board/actux1/actux1.c
index 399be23..e73aff8 100644
--- a/board/actux1/actux1.c
+++ b/board/actux1/actux1.c
@@ -140,8 +140,8 @@
 	/* initialize the PHY */
 	miiphy_reset ("NPE0", CONFIG_PHY_ADDR);
 
-	miiphy_read ("NPE0", CONFIG_PHY_ADDR, PHY_PHYIDR1, &id1);
-	miiphy_read ("NPE0", CONFIG_PHY_ADDR, PHY_PHYIDR2, &id2);
+	miiphy_read ("NPE0", CONFIG_PHY_ADDR, MII_PHYSID1, &id1);
+	miiphy_read ("NPE0", CONFIG_PHY_ADDR, MII_PHYSID2, &id2);
 
 	id2 &= 0xFFF0;		/* mask out revision bits */