Allow for coupling to both nemo and hycom

[TillRasmussen]

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please refer to: https://github.com/CICE-Consortium/About-Us/wiki/Resource-Index#information-for-developers

PR checklist

• Short (1 sentence) summary of your PR:
  Update DMI driver to include nemo
• Developer(s):
  @TillRasmussen
• Suggest PR reviewers from list in the column to the right.
  @apcraig
• Please copy the PR test results link or provide a summary of testing completed below.
  ENTER INFORMATION HERE
• How much do the PR code changes differ from the unmodified code?
  • [x ] bit for bit
  • different at roundoff level
  • more substantial
• Does this PR create or have dependencies on Icepack or any other models?
  • Yes
  • [x ] No
• Does this PR add any new test cases?
  • Yes
  • [x ] No
• Is the documentation being updated? ("Documentation" includes information on the wiki or in the .rst files from doc/source/, which are used to create the online technical docs at https://readthedocs.org/projects/cice-consortium-cice/. A test build of the technical docs will be performed as part of the PR testing.)
  • Yes
  • [ x] No, does the documentation need to be updated at a later time?
    • Yes
    • [x ] No
• Please provide any additional information or relevant details below:
  DMI driver will be able to be coupled to NEMO.