Update jjb for pti-rtp project

Issue-ID: INF-148
Signed-off-by: Bin Yang <bin.yang@windriver.com>
Change-Id: I3c866b1a41cbbf9539f4816878bd86033cbbeebd
diff --git a/jjb/pti-rtp/build-inf.sh b/jjb/pti-rtp/build-inf.sh
new file mode 100644
index 0000000..3af0737
--- /dev/null
+++ b/jjb/pti-rtp/build-inf.sh
@@ -0,0 +1,31 @@
+#!/bin/bash
+
+#   Copyright (C) 2020 Wind River Systems, Inc.
+#
+#   Licensed under the Apache License, Version 2.0 (the "License");
+#   you may not use this file except in compliance with the License.
+#   You may obtain a copy of the License at
+#
+#       http://www.apache.org/licenses/LICENSE-2.0
+#
+#   Unless required by applicable law or agreed to in writing, software
+#   distributed under the License is distributed on an "AS IS" BASIS,
+#   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+#   See the License for the specific language governing permissions and
+#   limitations under the License.
+
+# Builds a Yocto image for real.
+# Assumes prereqs have already been installed.
+
+echo "--> build-inf.sh"
+
+# Ensure we fail the job if any steps fail.
+set -eu -o pipefail
+
+dir=workspace
+echo "INFO: creating workspace $dir"
+mkdir $dir
+cmd="./scripts/build_inf.sh -w $dir"
+echo "INFO: invoking build script: $cmd"
+$cmd
+echo "--> build-inf.sh ends"