net: Cleanup in eth-netx.h

Commit 2960ed34 ("ARM: netx: move platform_data definitions")
moved the file to the current location but forgot to remove the pointer
to its previous location. Clean it up. While at it also change the header
file protection macros appropriately.
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Cc: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: David S. Miller <davem@davemloft.net>

include/linux/platform_data/eth-netx.h

 /*
- * arch/arm/mach-netx/include/mach/eth.h
- *
  * Copyright (c) 2005 Sascha Hauer <s.hauer@pengutronix.de>, Pengutronix
  *
  * This program is free software; you can redistribute it and/or modify
@@ -17,8 +15,8 @@
  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  */
 
-#ifndef ASMARM_ARCH_ETH_H
-#define ASMARM_ARCH_ETH_H
+#ifndef __ETH_NETX_H
+#define __ETH_NETX_H
 
 struct netxeth_platform_data {
 	unsigned int xcno;	/* number of xmac/xpec engine this eth uses */