[SO] fix typo

Helm3 check correctness of deployed yaml, fixed to deploy onap using
helm3

Signed-off-by: Jakub Latusek <j.latusek@samsung.com>
Change-Id: Ib2c3390d857f339bd89547e434ac0fddaa0c379c
Issue-ID: OOM-2562
diff --git a/kubernetes/so/components/so-etsi-nfvo-ns-lcm/templates/deployment.yaml b/kubernetes/so/components/so-etsi-nfvo-ns-lcm/templates/deployment.yaml
index 45668ed..97ebd93 100644
--- a/kubernetes/so/components/so-etsi-nfvo-ns-lcm/templates/deployment.yaml
+++ b/kubernetes/so/components/so-etsi-nfvo-ns-lcm/templates/deployment.yaml
@@ -82,7 +82,7 @@
               readOnly: true
             - name: {{ include "common.fullname" . }}-truststore
               mountPath: /app/client
-              readonly: true
+              readOnly: true
           livenessProbe:
             tcpSocket:
               port: {{ index .Values.livenessProbe.port }}