Fix for renamed cookiecutter variables

In PROD-17863 , cookiecutter variables used by OSS were
renamed [1].

Closes-Bug:#PROD-18450

[1] https://github.com/Mirantis/mk2x-cookiecutter-reclass-model/commit/db23968cfe7beb342f84233d28edfec7be609705

Change-Id: I1021502611b463adcbeec0b639027175993ebd0b
8 files changed