Add mnfg, xcat directory test cases generation

Resolves openbmc/openbmc-test-automation#665

Change-Id: I9c84ca9b909f764525294a8bd52a80e4049c7680
Signed-off-by: Sivas SRR <sivas.srr@in.ibm.com>
diff --git a/tools/generate_test_document b/tools/generate_test_document
index b1315e4..df92383 100755
--- a/tools/generate_test_document
+++ b/tools/generate_test_document
@@ -58,6 +58,8 @@
   python -m robot.testdoc extended extendeddirectoryTCdocs.html || ret_code=1
   python -m robot.testdoc gui guidirectoryTCdocs.html || ret_code=1
   python -m robot.testdoc systest systestdirectoryTCdocs.html || ret_code=1
+  python -m robot.testdoc xcat xcatdirectoryTCdocs.html || ret_code=1
+  python -m robot.testdoc mnfg mnfgdirectoryTCdocs.html || ret_code=1
 
   return ${ret_code}
 }