of: Always use 'struct device.of_node' to get device node pointer.

The following structure elements duplicate the information in
'struct device.of_node' and so are being eliminated.  This patch
makes all readers of these elements use device.of_node instead.

(struct of_device *)->node
(struct dev_archdata *)->prom_node (sparc)
(struct dev_archdata *)->of_node (powerpc & microblaze)

Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
diff --git a/drivers/net/fec_mpc52xx_phy.c b/drivers/net/fec_mpc52xx_phy.c
index 7658a08..0d099e5 100644
--- a/drivers/net/fec_mpc52xx_phy.c
+++ b/drivers/net/fec_mpc52xx_phy.c
@@ -66,7 +66,7 @@
 		const struct of_device_id *match)
 {
 	struct device *dev = &of->dev;
-	struct device_node *np = of->node;
+	struct device_node *np = of->dev.of_node;
 	struct mii_bus *bus;
 	struct mpc52xx_fec_mdio_priv *priv;
 	struct resource res = {};
@@ -107,7 +107,7 @@
 
 	/* set MII speed */
 	out_be32(&priv->regs->mii_speed,
-		((mpc5xxx_get_bus_frequency(of->node) >> 20) / 5) << 1);
+		((mpc5xxx_get_bus_frequency(of->dev.of_node) >> 20) / 5) << 1);
 
 	err = of_mdiobus_register(bus, np);
 	if (err)