USB: isp1362: move debug files from proc to debugfs

Drivers should not be putting debug files in /proc/ that is what debugfs
is for, so move the isp1362 driver's debug file to debugfs.

Reviewed-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff --git a/drivers/usb/host/isp1362.h b/drivers/usb/host/isp1362.h
index 7b34699..3b0b484 100644
--- a/drivers/usb/host/isp1362.h
+++ b/drivers/usb/host/isp1362.h
@@ -480,7 +480,7 @@
 
 	struct isp1362_platform_data *board;
 
-	struct proc_dir_entry	*pde;
+	struct dentry		*debug_file;
 	unsigned long		stat1, stat2, stat4, stat8, stat16;
 
 	/* HC registers */