b43: Add N-PHY register definitions

This patch adds all register definitions for the N-PHY.
This adds two new files: nphy.h and nphy.c
No functional changes to existing code.

Signed-off-by: Michael Buesch <mb@bu3sch.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

drivers/net/wireless/b43/Makefile

@@ -1,6 +1,7 @@
 b43-y				+= main.o
 b43-y				+= tables.o
 b43-y				+= phy.o
+b43-y				+= nphy.o
 b43-y				+= sysfs.o
 b43-y				+= xmit.o
 b43-y				+= lo.o

drivers/net/wireless/b43/nphy.c

@@ -0,0 +1,34 @@
+/*
+
+  Broadcom B43 wireless driver
+  IEEE 802.11n PHY support
+
+  Copyright (c) 2008 Michael Buesch <mb@bu3sch.de>
+
+  This program is free software; you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as published by
+  the Free Software Foundation; either version 2 of the License, or
+  (at your option) any later version.
+
+  This program is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with this program; see the file COPYING.  If not, write to
+  the Free Software Foundation, Inc., 51 Franklin Steet, Fifth Floor,
+  Boston, MA 02110-1301, USA.
+
+*/
+
+#include "b43.h"
+#include "nphy.h"
+
+
+int b43_phy_initn(struct b43_wldev *dev)
+{
+	b43err(dev->wl, "IEEE 802.11n devices are not supported, yet.\n");
+
+	return -EOPNOTSUPP;
+}