fec: Convert printks to netdev_<level>

Use a more current logging message style.

Convert the printks where a struct net_device is available to
netdev_<level>.  Convert the other printks to pr_<level> and
add pr_fmt where appropriate.

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ethernet/freescale/fec_ptp.c

@@ -17,6 +17,8 @@
  * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
  */
 
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
 #include <linux/module.h>
 #include <linux/kernel.h>
 #include <linux/string.h>