drivers/net: fix up stale paths from driver reorg

The reorganization of the driver layout in drivers/net
left behind some stale paths in comments and in Kconfig
help text.  Bring them up to date.  No actual change to
any code takes place here.

Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
CC: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/ethernet/freescale/gianfar.h b/drivers/net/ethernet/freescale/gianfar.h
index 40c33a7..4fe0f34 100644
--- a/drivers/net/ethernet/freescale/gianfar.h
+++ b/drivers/net/ethernet/freescale/gianfar.h
@@ -1,5 +1,5 @@
 /*
- * drivers/net/gianfar.h
+ * drivers/net/ethernet/freescale/gianfar.h
  *
  * Gianfar Ethernet Driver
  * Driver for FEC on MPC8540 and TSEC on MPC8540/MPC8560