USB: navman.c: remove dbg() usage

dbg() is a usb-serial specific macro.  This patch converts
the navman.c driver to use dev_dbg() instead to tie into the
dynamic debug infrastructure.

CC: Rusty Russell <rusty@rustcorp.com.au>
CC: Alan Stern <stern@rowland.harvard.edu>
CC: Mauro Carvalho Chehab <mchehab@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff --git a/drivers/usb/serial/navman.c b/drivers/usb/serial/navman.c
index 7a09e8a..d95452c 100644
--- a/drivers/usb/serial/navman.c
+++ b/drivers/usb/serial/navman.c
@@ -46,12 +46,12 @@
 	case -ENOENT:
 	case -ESHUTDOWN:
 		/* this urb is terminated, clean up */
-		dbg("%s - urb shutting down with status: %d",
-		    __func__, status);
+		dev_dbg(&port->dev, "%s - urb shutting down with status: %d\n",
+			__func__, status);
 		return;
 	default:
-		dbg("%s - nonzero urb status received: %d",
-		    __func__, status);
+		dev_dbg(&port->dev, "%s - nonzero urb status received: %d\n",
+			__func__, status);
 		goto exit;
 	}
 
@@ -78,7 +78,8 @@
 	int result = 0;
 
 	if (port->interrupt_in_urb) {
-		dbg("%s - adding interrupt input for treo", __func__);
+		dev_dbg(&port->dev, "%s - adding interrupt input for treo\n",
+			__func__);
 		result = usb_submit_urb(port->interrupt_in_urb, GFP_KERNEL);
 		if (result)
 			dev_err(&port->dev,