chart: fix ovs ipsec keys host path (#5137)

Signed-off-by: zhangzujian <zhangzujian.7@gmail.com>

Author: zhangzujian

charts/kube-ovn/templates/ovncni-ds.yaml

@@ -279,5 +279,5 @@ spec:
         {{- if .Values.func.ENABLE_OVN_IPSEC }}
         - name: ovs-ipsec-keys
           hostPath:
-            path: /etc/origin/ovs_ipsec_keys
+            path: {{ .Values.OPENVSWITCH_DIR }}
         {{- end }}