USB: usb dev_name() instead of dev->bus_id

The bus_id field is going away, use the dev_name() function instead.

Signed-off-by: Kay Sievers <kay.sievers@vrfy.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

diff --git a/drivers/usb/core/usb.c b/drivers/usb/core/usb.c
index 3257743..3aca6d5 100644
--- a/drivers/usb/core/usb.c
+++ b/drivers/usb/core/usb.c
@@ -308,7 +308,7 @@
 	 * by location for diagnostics, tools, driver model, etc.  The
 	 * string is a path along hub ports, from the root.  Each device's
 	 * dev->devpath will be stable until USB is re-cabled, and hubs
-	 * are often labeled with these port numbers.  The bus_id isn't
+	 * are often labeled with these port numbers.  The name isn't
 	 * as stable:  bus->busnum changes easily from modprobe order,
 	 * cardbus or pci hotplugging, and so on.
 	 */