settings yaml: enable multiple interfaces

The settings manager now supports multiple interfaces per settings
object. For that reason, the settings yaml should contain a list of
interfaces under each settings object.

Change-Id: Ief5aff4c1305c3ee0629ecd1b7da5868b4b4c73e
Signed-off-by: Deepak Kodihalli <dkodihal@in.ibm.com>
1 file changed