arcnet: Use network block comment style

Conformity can be useful.

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Michael Grzeschik <m.grzeschik@pengutronix.de>
diff --git a/drivers/net/arcnet/com20020.c b/drivers/net/arcnet/com20020.c
index bdf883f..6369727 100644
--- a/drivers/net/arcnet/com20020.c
+++ b/drivers/net/arcnet/com20020.c
@@ -239,8 +239,7 @@
 	return 0;
 }
 
-/*
- * Do a hardware reset on the card, and set up necessary registers.
+/* Do a hardware reset on the card, and set up necessary registers.
  *
  * This should be called as little as possible, because it disrupts the
  * token on the network (causes a RECON) and requires a significant delay.