smsc9420: SMSC LAN9420 10/100 PCI ethernet adapter

This patch adds a driver for the LAN9240 PCI ethernet adapter.

Changes since initial submission:
 - debug msg_level has been changed to use standard definitions
 - convert to use net_device_ops

Signed-off-by: Steve Glendinning <steve.glendinning@smsc.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/MAINTAINERS b/MAINTAINERS
index 2859e9a..c3074e2 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -3915,6 +3915,12 @@
 L:	netdev@vger.kernel.org
 S:	Supported
 
+SMSC9420 PCI ETHERNET DRIVER
+P:	Steve Glendinning
+M:	steve.glendinning@smsc.com
+L:	netdev@vger.kernel.org
+S:	Supported
+
 SMX UIO Interface
 P:	Ben Nizette
 M:	bn@niasdigital.com