USB: xusbatm.c: remove dbg() usage

dbg() was a very old USB-specific macro that should no longer
be used. This patch removes it from being used in the driver
and uses dev_dbg() instead.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/usb/atm/xusbatm.c

@@ -187,8 +187,6 @@ static int __init xusbatm_init(void)
 {
 	int i;
 
-	dbg("xusbatm_init");
-
 	if (!num_vendor ||
 	    num_vendor != num_product ||
 	    num_vendor != num_rx_endpoint ||
@@ -221,8 +219,6 @@ module_init(xusbatm_init);
 
 static void __exit xusbatm_exit(void)
 {
-	dbg("xusbatm_exit entered");
-
 	usb_deregister(&xusbatm_usb_driver);
 }
 module_exit(xusbatm_exit);