Add Usb Directory to new build system.

Modified: trunk/reactos/drivers/directory.xml

--- trunk/reactos/drivers/directory.xml	2005-05-28 21:16:34 UTC (rev 15613)
+++ trunk/reactos/drivers/directory.xml	2005-05-28 21:28:11 UTC (rev 15614)
@@ -22,3 +22,6 @@

 <directory name="video">
 	<xi:include href="video/directory.xml" />
 </directory>

+<directory name="usb">
+	<xi:include href="usb/directory.xml" />
+</directory>