Add new builder with big storage

This is to support building ISO image from PTI RTP repo

Issue-ID: INF-6
Signed-off-by: Bin Yang <bin.yang@windriver.com>
Change-Id: I517b23c383bf60e2480a0d0201c8643c95c50b44
diff --git a/jjb/pti-rtp/pti-rtp.yaml b/jjb/pti-rtp/pti-rtp.yaml
index 7090367..ae05875 100644
--- a/jjb/pti-rtp/pti-rtp.yaml
+++ b/jjb/pti-rtp/pti-rtp.yaml
@@ -39,6 +39,8 @@
 - project:
     <<: *pti_rtp_common
     name: pti-rtp-merge
+    # demand 200GB storage
+    build-node: centos7-docker-2c-8g-200g
     # runs about 9 hours
     build-timeout: 600
     script: !include-raw-escape: