extend OSAM build timeout

Change-Id: I7f8e7a71885664642475c588ab8ca0cac2368a94
diff --git a/jjb/verify/osam.yaml b/jjb/verify/osam.yaml
index dd64db3..ffa1a02 100644
--- a/jjb/verify/osam.yaml
+++ b/jjb/verify/osam.yaml
@@ -46,7 +46,7 @@
 
     wrappers:
       - lf-infra-wrappers:
-          build-timeout: 20
+          build-timeout: 40
           jenkins-ssh-credential: '{jenkins-ssh-credential}'
 
     scm: