[BUG]Defaults for cps and dmi user and pass

- provided default values for DMI_USERNAME and DMI_PASSWORD which is
  required to set when DMI_AUTH_ENABLED is true
- Also provided defaults for CPS_USERNAME and CPS_PASSWORD as its
  been used in the logback xml file and if not provided then causes an
  issue with the logger

Issue-ID: CPS-2194
Change-Id: I70fdbeca970556c7bd19f27c1b6b5123fd591283
Signed-off-by: mpriyank <priyank.maheshwari@est.tech>
1 file changed