VOL-3727 Adding enableOnuStats and enableGemStats flags to openolt helm chart

Change-Id: I753fadcca6ddc1c1c413f3e1771605c37f54373b
diff --git a/voltha-adapter-openolt/templates/openolt-deploy.yaml b/voltha-adapter-openolt/templates/openolt-deploy.yaml
index 5533a6c..2ee460f 100644
--- a/voltha-adapter-openolt/templates/openolt-deploy.yaml
+++ b/voltha-adapter-openolt/templates/openolt-deploy.yaml
@@ -104,6 +104,8 @@
             - "--trace_agent_address={{ tpl .Values.services.tracing_agent.address . }}"
             - "--log_correlation_enabled={{ .Values.global.log_correlation.enabled }}"
             - "--omcc_encryption={{ .Values.global.omcc_encryption }}"
+            - "--enable_onu_stats={{ .Values.global.enable_onu_stats }}"
+            - "--enable_gem_stats={{ .Values.global.enable_gem_stats }}"
           {{- if .Values.securityContext.enabled }}
           securityContext:
             allowPrivilegeEscalation: false