lava-submit.py: added device-tree, perf, pwrmgmt test for OpenEmbedded

Signed-off-by: Marcin Juszkiewicz <marcin.juszkiewicz@linaro.org>
diff --git a/lava-submit.py b/lava-submit.py
index a8cc435..aa5fd30 100755
--- a/lava-submit.py
+++ b/lava-submit.py
@@ -25,6 +25,9 @@
     ]
 
 tests_openembedded = [
+    'device-tree',
+    'perf',
+    'pwrmgmt',
     ]
 
 # Mapping device type - bundle stream