1.2.2 yaml for DMI release

- Added 1.2.2 yaml file for the DMI release.
- Step-5 of the release process.
- Ran stage job on https://gerrit.onap.org/r/c/cps/ncmp-dmi-plugin/+/131823

Issue-ID: CPS-1353
Change-Id: Ie6b5bc42b3b7de820b161fc77fcbf4f05cc4e62f
Signed-off-by: mpriyank <priyank.maheshwari@est.tech>
1 file changed