Add master_type option

salt/files/minion.d/f_defaults.conf

@@ -157,6 +157,7 @@ mine_functions:
 
 # verify_master_pubkey_sign
 {{ get_config('verify_master_pubkey_sign', 'False') }}
+{{ get_config('master_type', 'str') }}
 
 # include extra config
 {% if 'include' in cfg_minion -%}