USB: sl811: 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 sl811 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/sl811.h b/drivers/usb/host/sl811.h
index 7ac5c5e..1e23ef4 100644
--- a/drivers/usb/host/sl811.h
+++ b/drivers/usb/host/sl811.h
@@ -122,7 +122,7 @@
 	void __iomem		*addr_reg;
 	void __iomem		*data_reg;
 	struct sl811_platform_data	*board;
-	struct proc_dir_entry	*pde;
+	struct dentry 		*debug_file;
 
 	unsigned long		stat_insrmv;
 	unsigned long		stat_wake;