In this commit, the dcmanager subcloud show command was updated
to display region_name as default.
Test Plan:
PASS: run dcmanager subcloud show <subcloud name> and verify that
region name is displayed
PASS: run dcmanager subcloud show <subcloud name> -d and verify that
region name is displayed
Closes-bug: 2054803
Change-Id: I4af4be72e2d09ad5ef0c36cd36ecc4294caf81b1
Signed-off-by: Christopher de Oliveira Souza <Christopher.DeOliveiraSouza@windriver.com>