add direct path for cert in AWS with RHEL family

roles/kubernetes/master/templates/manifests/kube-apiserver.manifest.j2

@@ -105,6 +105,11 @@ spec:
     - mountPath: {{ etcd_cert_dir }}
       name: etcd-certs
       readOnly: true
+{% if cloud_provider == 'aws' and ansible_os_family == 'RedHat' %}
+    - mountPath: /etc/ssl/certs/ca-bundle.crt
+      name: rhel-ca-bundle
+      readOnly: true
+{% endif %}
   volumes:
   - hostPath:
       path: {{ kube_config_dir }}
@@ -115,3 +120,8 @@ spec:
   - hostPath:
       path: {{ etcd_cert_dir }}
     name: etcd-certs
+{% if cloud_provider == 'aws' and ansible_os_family == 'RedHat' %}
+  - hostPath:
+      path: /etc/ssl/certs/ca-bundle.crt
+    name: rhel-ca-bundle
+{% endif %}