uwb: initialize the debug sub-system

Call uwb_dbg_init() so the debugfs files are accessible.
Signed-off-by: David Vrabel <david.vrabel@csr.com>

drivers/uwb/driver.c

@@ -119,6 +119,7 @@ static int __init uwb_subsys_init(void)
 	if (result < 0)
 		goto error_uwb_rc_class_register;
 	uwbd_start();
+	uwb_dbg_init();
 	return 0;
 
 error_uwb_rc_class_register:
@@ -130,6 +131,7 @@ module_init(uwb_subsys_init);
 
 static void __exit uwb_subsys_exit(void)
 {
+	uwb_dbg_exit();
 	uwbd_stop();
 	class_unregister(&uwb_rc_class);
 	uwb_est_destroy();