Add setting to edxapp role to enable credit eligibility

playbooks/roles/edxapp/defaults/main.yml

@@ -124,6 +124,7 @@ EDXAPP_ENABLE_THIRD_PARTY_AUTH: false
 
 EDXAPP_ENABLE_EDXNOTES: false
 
+EDXAPP_ENABLE_CREDIT_ELIGIBILITY: false
 EDXAPP_ENABLE_CREDIT_API: false
 
 EDXAPP_MODULESTORE_MAPPINGS:
@@ -189,6 +190,7 @@ EDXAPP_FEATURES:
   ENABLE_ONLOAD_BEACON: false
   ENABLE_EDXNOTES: "{{ EDXAPP_ENABLE_EDXNOTES }}"
   ENABLE_CREDIT_API: "{{ EDXAPP_ENABLE_CREDIT_API }}"
+  ENABLE_CREDIT_ELIGIBILITY: "{{ EDXAPP_ENABLE_CREDIT_ELIGIBILITY }}"
 
 EDXAPP_BOOK_URL: ""
 # This needs to be set to localhost