Fix tls min version for registry

cert,key,mintls should in the same context
Signed-off-by: DQ <dengq@vmware.com>

make/photon/prepare/templates/registry/config.yml.jinja

@@ -24,6 +24,8 @@ http:
 {% if internal_tls.enabled %}
   addr: :5443
   tls:
+    certificate: /etc/harbor/tls/registry.crt
+    key: /etc/harbor/tls/registry.key
     minimumtls: tls1.2
 {% else %}
   addr: :5000
@@ -31,12 +33,6 @@ http:
   secret: placeholder
   debug:
     addr: localhost:5001
-{% if internal_tls.enabled %}
-  tls:
-    certificate: /etc/harbor/tls/registry.crt
-    key: /etc/harbor/tls/registry.key
-{% endif %}
-
 auth:
   htpasswd:
     realm: harbor-registry-basic-realm