tg3: Convert PHY_ADDR => TG3_PHY_MII_ADDR

This patch renames the PHY_ADDR preprocessor definition.  The following
patch will identify a new member on the MDIO bus, so we want this
preprocessor definition to be a little more descriptive.

Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Reviewed-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/tg3.h b/drivers/net/tg3.h
index eb4ed82..40501cb 100644
--- a/drivers/net/tg3.h
+++ b/drivers/net/tg3.h
@@ -1954,7 +1954,7 @@
 #define  NIC_SRAM_MBUF_POOL_SIZE5705	0x0000e000
 
 /* Currently this is fixed. */
-#define PHY_ADDR		0x01
+#define TG3_PHY_MII_ADDR		0x01
 
 /* Tigon3 specific PHY MII registers. */
 #define  TG3_BMCR_SPEED1000		0x0040