fix comments with new drivers organization

Signed-off-by: Marcel Ziswiler <marcel@ziswiler.com>
diff --git a/doc/README.modnet50 b/doc/README.modnet50
index 30338ce..f7bb254 100644
--- a/doc/README.modnet50
+++ b/doc/README.modnet50
@@ -51,8 +51,8 @@
 board/modnet50/flash.c	    .. flash routines
 board/modnet50/modnet50.c   .. some board init stuff
 
-drivers/netarm_eth.c	    .. ethernet driver for the NET+50 CPU
-drivers/netarm_eth.h	    .. header for ethernet driver
+drivers/net/netarm_eth.c    .. ethernet driver for the NET+50 CPU
+drivers/net/netarm_eth.h    .. header for ethernet driver
 
 include/configs/modnet50.h  .. configuration file for ModNET50