[media] saa7164: Disable firmware debug message output

... Also disable collection of messages via kernel thread.
Signed-off-by: Steven Toth <stoth@kernellabs.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

drivers/media/video/saa7164/saa7164-core.c

@@ -52,7 +52,7 @@ unsigned int saa_debug;
 module_param_named(debug, saa_debug, int, 0644);
 MODULE_PARM_DESC(debug, "enable debug messages");
 
-unsigned int fw_debug = 2;
+unsigned int fw_debug;
 module_param(fw_debug, int, 0644);
 MODULE_PARM_DESC(fw_debug, "Firware debug level def:2");