stx tool: lat-tool: Mount host urandom device to stx-lat-tool docker

Map host /dev/urandom to the /dev/random of stx-lat-tool container
as the entropy seed. Make sure there is enough entropy seeds when
we build the iso image, so that we can avoid the failure of during
building image.

Story: 2008862
Task: 44383

Signed-off-by: Zhixiong Chi <zhixiong.chi@windriver.com>
Change-Id: Idbeb764965c37f8cc33f5904c3ffecccd2b799ca

stx/stx-build-tools-chart/stx-builder/dependency_chart/stx-lat-tool/templates/deployment.yaml

@@ -36,7 +36,9 @@ spec:
           tty: true
           volumeMounts:
           - name: {{ .Values.volumes.name }}
-            mountPath: {{ .Values.volumeMounts.mountPath}}
+            mountPath: {{ .Values.volumeMounts.mountPath }}
+          - name: {{ .Values.volumes.entropyname }}
+            mountPath: {{ .Values.volumeMounts.entropymountPath }}
 
           resources:
             {{- toYaml .Values.resources | nindent 12 }}
@@ -45,6 +47,9 @@ spec:
       - name: {{ .Values.volumes.name }}
         hostPath:
           path: {{ .Values.volumes.hostPath.path }}
+      - name: {{ .Values.volumes.entropyname }}
+        hostPath:
+          path: {{ .Values.volumes.entropyhostPath.path }}
 
       {{- with .Values.nodeSelector }}
       nodeSelector:

stx/stx-build-tools-chart/stx-builder/dependency_chart/stx-lat-tool/values.yaml

@@ -14,11 +14,16 @@ image:
 volumeMounts:
   name: latd-shared-workspace
   mountPath: /localdisk
+  entropyname: entropy-device
+  entropymountPath: /dev/random
 
 volumes:
   name: latd-shared-workspace
   hostPath:
     path: /workspace/localdisk
+  entropyname: entropydevice
+  entropyhostPath:
+    path: /dev/urandom
 
 imagePullSecrets: []
 nameOverride: ""