debugfs: Modified default dir of debugfs for debugging UHCI.

Change default debugfs directory as mounting point for debugging
UHCI(Universal Host Controller Interface driver) for USB.

As we all know, We need change default directory for consistency of
debugfs by Greg K-H
Signed-off-by: NGeunSik Lim <geunsik.lim@samsung.com>
Signed-off-by: NGreg Kroah-Hartman <gregkh@suse.de>

drivers/usb/host/uhci-hcd.c

@@ -67,7 +67,7 @@ MODULE_PARM_DESC(ignore_oc, "ignore hardware overcurrent indications");
  * debug = 0, no debugging messages
  * debug = 1, dump failed URBs except for stalls
  * debug = 2, dump all failed URBs (including stalls)
- *            show all queues in /debug/uhci/[pci_addr]
+ *            show all queues in /sys/kernel/debug/uhci/[pci_addr]
  * debug = 3, show all TDs in URBs when dumping
  */
 #ifdef DEBUG