USB: convert ohci debug files to use debugfs instead of sysfs

We should not have multiple line files in sysfs, this moves the data to
debugfs instead, like the UHCI driver.

Signed-off-by: Tony Jones <tonyj@suse.de>
Cc: Kay Sievers <kay.sievers@vrfy.org>
Cc: David Brownell <david-b@pacbell.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

diff --git a/drivers/usb/host/ohci.h b/drivers/usb/host/ohci.h
index 47c5c66..dc544dd 100644
--- a/drivers/usb/host/ohci.h
+++ b/drivers/usb/host/ohci.h
@@ -408,6 +408,13 @@
 	unsigned		eds_scheduled;
 	struct ed		*ed_to_check;
 	unsigned		zf_delay;
+
+#ifdef DEBUG
+	struct dentry		*debug_dir;
+	struct dentry		*debug_async;
+	struct dentry		*debug_periodic;
+	struct dentry		*debug_registers;
+#endif
 };
 
 #ifdef CONFIG_PCI