Add DBUF helm chart

- Support the SR-IOV (Static IP first)

https://jira.opennetworking.org/browse/AETHER-803

- Fix docker image and dbuf args

Change-Id: I2942c6a7816c8a747203113d58576d677fc1da03
diff --git a/apps/dbuf/templates/deployment.yaml b/apps/dbuf/templates/deployment.yaml
new file mode 100644
index 0000000..3c8ef5e
--- /dev/null
+++ b/apps/dbuf/templates/deployment.yaml
@@ -0,0 +1,61 @@
+
+# Copyright 2020-present Open Networking Foundation
+# SPDX-License-Identifier: LicenseRef-ONF-Member-Only-1.0
+
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: {{ include "dbuf.fullname" . }}
+  labels:
+    {{- include "dbuf.labels" . | nindent 4 }}
+spec:
+  replicas: {{ .Values.replicaCount }}
+  selector:
+    matchLabels:
+      {{- include "dbuf.selectorLabels" . | nindent 6 }}
+  template:
+    metadata:
+    {{- with .Values.podAnnotations }}
+      annotations:
+        {{- toYaml . | nindent 8 }}
+    {{- end }}
+      labels:
+        {{- include "dbuf.selectorLabels" . | nindent 8 }}
+    spec:
+      {{- if .Values.image.credentials }}
+      imagePullSecrets:
+        {{- toYaml . | nindent 8 }}
+      {{- end }}
+      securityContext:
+        {{- toYaml .Values.podSecurityContext | nindent 8 }}
+      containers:
+        - name: {{ .Chart.Name }}
+          securityContext:
+            {{- toYaml .Values.securityContext | nindent 12 }}
+          image: "{{ .Values.image.repository }}:{{ .Values.image.tag | default .Chart.AppVersion }}"
+          imagePullPolicy: {{ .Values.image.pullPolicy }}
+          command: [ "dbuf", {{ template "extraParams" .Values.extraParams }} ]
+          resources:
+            requests:
+              intel.com/{{ .Values.sriovResourceName }}: '{{ .Values.sriovNICSize }}'
+            limits:
+              intel.com/{{ .Values.sriovResourceName }}: '{{ .Values.sriovNICSize }}'
+          ports:
+          - name: grpc
+            containerPort: 10000
+            protocol: TCP
+          - name: stats
+            containerPort: 8080
+            protocol: TCP
+      {{- with .Values.nodeSelector }}
+      nodeSelector:
+        {{- toYaml . | nindent 8 }}
+      {{- end }}
+      {{- with .Values.affinity }}
+      affinity:
+        {{- toYaml . | nindent 8 }}
+      {{- end }}
+      {{- with .Values.tolerations }}
+      tolerations:
+        {{- toYaml . | nindent 8 }}
+      {{- end }}