drivers/usb/core: devio.c: Removed an uneeded space before tab

Ran checkpatch.pl on file and removed a warning about an unwanted space before
a tab.

Signed-off-by: Chase Metzger <chasemetzger15@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff --git a/drivers/usb/core/devio.c b/drivers/usb/core/devio.c
index 1163553..4b0448c 100644
--- a/drivers/usb/core/devio.c
+++ b/drivers/usb/core/devio.c
@@ -2408,7 +2408,7 @@
 }
 
 static struct notifier_block usbdev_nb = {
-	.notifier_call = 	usbdev_notify,
+	.notifier_call =	usbdev_notify,
 };
 
 static struct cdev usb_device_cdev;