Add toleration to snmp pods

A toleration needs to be added to all pods since the
node-role.kubernetes.io/master taint will be restored to all master
nodes. This will ensure that the pod will run on the master node.

Story: 2009232
Task: 43339

Signed-off-by: Enzo Candotti <enzo.candotti@windriver.com>
Change-Id: I986b16217f8f5fbb0b902d29b30d0a2c9a718273

stx-snmp-helm/stx-snmp-helm/helm-charts/snmp/templates/deployment.yaml

@@ -23,6 +23,10 @@ spec:
     spec:
       imagePullSecrets:
         - name: default-registry-key
+      tolerations:
+        - key: "node-role.kubernetes.io/master"
+          operator: "Exists"
+          effect: "NoSchedule"
       containers:
         - name: {{ .Chart.Name }}
           image: "{{ .Values.image.repository }}:{{ .Values.image.tag }}"