tty: declare MODULE_FIRMWARE in various drivers

Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

diff --git a/drivers/char/moxa.c b/drivers/char/moxa.c
index 49a1fc2..166495d 100644
--- a/drivers/char/moxa.c
+++ b/drivers/char/moxa.c
@@ -172,6 +172,9 @@
 MODULE_AUTHOR("William Chen");
 MODULE_DESCRIPTION("MOXA Intellio Family Multiport Board Device Driver");
 MODULE_LICENSE("GPL");
+MODULE_FIRMWARE("c218tunx.cod");
+MODULE_FIRMWARE("cp204unx.cod");
+MODULE_FIRMWARE("c320tunx.cod");
 
 module_param_array(type, uint, NULL, 0);
 MODULE_PARM_DESC(type, "card type: C218=2, C320=4");