Separate ncmp south-bound endpoints in openapi specs

- existing ncmp-cps swagger ui shows only northbound endpoints
- added cps-ncmp-internal for southbound endpoints

Issue-ID: CPS-722
Signed-off-by: Renu Kumari <renu.kumari@bell.ca>
Change-Id: I6917a9c1cf6d033f7ed76f2172113d5e43ac84a7
12 files changed