Expected IP in OS_AUTH_URL is the public interface of keystone
identity, not the admin interface.
TEST PLAN:
[PASS] Build, install
[PASS] Check if downloaded file shows correct endpoint for subcloud
OS_AUTH_URL
Closes-Bug: 2056782
Change-Id: I5c6b24cedf97cac3f58ddd2e78fa5d52b4e45ae0
Signed-off-by: Davi Frossard <dbarrosf@windriver.com>