usb-storage: make shuttle_usbat a separate module

This patch (as1211) converts usb-storage's shuttle_usbat subdriver
into a separate module.

Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

diff --git a/drivers/usb/storage/usual-tables.c b/drivers/usb/storage/usual-tables.c
index be461ee..899a8c8 100644
--- a/drivers/usb/storage/usual-tables.c
+++ b/drivers/usb/storage/usual-tables.c
@@ -81,6 +81,7 @@
 #	include "unusual_isd200.h"
 #	include "unusual_sddr09.h"
 #	include "unusual_sddr55.h"
+#	include "unusual_usbat.h"
 	{ }		/* Terminating entry */
 };