[SERIAL] SUNHV: Add an ID string.

The 'compatible' property can be SUNW,sun4v-console as
well as 'qcn'.

Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/serial/sunhv.c b/drivers/serial/sunhv.c
index 40d4856..c3a6bd2 100644
--- a/drivers/serial/sunhv.c
+++ b/drivers/serial/sunhv.c
@@ -493,6 +493,10 @@
 		.name = "console",
 		.compatible = "qcn",
 	},
+	{
+		.name = "console",
+		.compatible = "SUNW,sun4v-console",
+	},
 	{},
 };
 MODULE_DEVICE_TABLE(of, hv_match);