Increase doc merge timeout

Few doc merge jobs failed due to reaching the 15
min timeout. Increasing a little bit more to 30.

Issue-ID: CIMAN-33
Signed-off-by: Jessica Wagantall <jwagantall@linuxfoundation.org>
Change-Id: Icb654b8482e3aeb6face1aed788007e2a6c27fcc
diff --git a/jjb/rtdv3/rtdv3.yaml b/jjb/rtdv3/rtdv3.yaml
index 017218a..a4cec83 100644
--- a/jjb/rtdv3/rtdv3.yaml
+++ b/jjb/rtdv3/rtdv3.yaml
@@ -24,7 +24,8 @@
           comment-contains-value: remerge$
     jobs:
       - rtdv3-global-verify
-      - rtdv3-global-merge
+      - rtdv3-global-merge:
+          build-timeout: 30
     stream:
       - master:
           branch: '*'