Refactor memory usage for the template cookied-mcp-ocata-dop-sl2

- Increase memory usage to allocate 128Gb RAM
- Use different environment variable names for CPU/RAM/VOL
  options for each type of nodes

Change-Id: Ic727a5307824a7995e2ee7f60325e947fbc1095b
diff --git a/tcp_tests/templates/cookied-mcp-ocata-dop-sl2/underlay--user-data-cfg01.yaml b/tcp_tests/templates/cookied-mcp-ocata-dop-sl2/underlay--user-data-cfg01.yaml
index dff52d9..51d430d 100644
--- a/tcp_tests/templates/cookied-mcp-ocata-dop-sl2/underlay--user-data-cfg01.yaml
+++ b/tcp_tests/templates/cookied-mcp-ocata-dop-sl2/underlay--user-data-cfg01.yaml
@@ -40,7 +40,7 @@
    #- sudo ifup ens4
 
    # Create swap
-   - fallocate -l 4G /swapfile
+   - fallocate -l 16G /swapfile
    - chmod 600 /swapfile
    - mkswap /swapfile
    - swapon /swapfile