[SERIAL] sun{su,zilog}: Add missing MODULE_*() niceties.

Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/serial/sunzilog.c b/drivers/serial/sunzilog.c
index 98342ee..1caa286 100644
--- a/drivers/serial/sunzilog.c
+++ b/drivers/serial/sunzilog.c
@@ -1515,4 +1515,5 @@
 
 MODULE_AUTHOR("David S. Miller");
 MODULE_DESCRIPTION("Sun Zilog serial port driver");
+MODULE_VERSION("2.0");
 MODULE_LICENSE("GPL");