- add missing usbprog config. patch from Uwe Hermann

https://lists.berlios.de/pipermail/openocd-development/2009-March/005145.html

git-svn-id: svn://svn.berlios.de/openocd/trunk@1435 b42882b7-edfa-0310-969c-e2dbd0fdcd60

src/target/interface/usbprog.cfg

+#
+# USBprog
+#
+# http://embedded-projects.net/index.php?page_id=135
+#
+
+interface usbprog