Add xunit support to make-unit-test for openolt

Increase executor size for openolt tests

Change-Id: I9aa35f35bd7210ce3f05ad06590007f72b3528ed
diff --git a/jjb/make-unit.yaml b/jjb/make-unit.yaml
index 9101df3..0effd2e 100644
--- a/jjb/make-unit.yaml
+++ b/jjb/make-unit.yaml
@@ -54,6 +54,12 @@
       - junit:
           results: "**/*results.xml,**/*report.xml"
           allow-empty-results: '{junit-allow-empty-results}'
+      - xunit:
+          types:
+            - gunit:
+                pattern: "**/*xunit.xml"
+                deleteoutput: false
+                skip-if-no-test-files: '{xunit-skip-if-no-test-files}'
       - cobertura:
           report-file: "**/*coverage.xml"
           targets: