smc911x: add support for LAN9220

Signed-off-by: Daniel Mack <daniel@caiaq.de>
Cc: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: Ben Warren <biggerbadderben@gmail.com>
diff --git a/drivers/net/smc911x.h b/drivers/net/smc911x.h
index d5bca63..05e007c 100644
--- a/drivers/net/smc911x.h
+++ b/drivers/net/smc911x.h
@@ -393,6 +393,7 @@
 #define CHIP_9216	0x116a
 #define CHIP_9217	0x117a
 #define CHIP_9218	0x118a
+#define CHIP_9220	0x9220
 #define CHIP_9221	0x9221
 
 struct chip_id {
@@ -410,6 +411,7 @@
 	{ CHIP_9216, "LAN9216" },
 	{ CHIP_9217, "LAN9217" },
 	{ CHIP_9218, "LAN9218" },
+	{ CHIP_9220, "LAN9220" },
 	{ CHIP_9221, "LAN9221" },
 	{ 0, NULL },
 };