Sets the msec field using start_tod from the driver.

[dabail10]

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PR checklist

• Short (1 sentence) summary of your PR:
  This addresses issues msec not allowed to be set to non-zero values for initial runs #842 and only impacts the nuopc/cmeps driver.
• Developer(s):
  @dabail10 (D. Bailey)
• Suggest PR reviewers from list in the column to the right.
• Please copy the PR test results link or provide a summary of testing completed below.
  Tested in the CESM suite.
• How much do the PR code changes differ from the unmodified code?
  • bit for bit
  • different at roundoff level
  • more substantial
• Does this PR create or have dependencies on Icepack or any other models?
  • Yes
  • No
• Does this PR update the Icepack submodule? If so, the Icepack submodule must point to a hash on Icepack's main branch.
  • Yes
  • No
• Does this PR add any new test cases?
  • Yes
  • 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
  • No, does the documentation need to be updated at a later time?
    • Yes
    • No
• Please document the changes in detail, including why the changes are made. This will become part of the PR commit log.
  Simple one line change to set msec from start_tod in NUOPC/CMEPS driver.

[anton-seaice]

Sorry approval was accidental - the change in ice_comp_nuopc.F90 looks correct.

It looks like you've haven't started from the main branch / are assuming the other stuff gets merged first before this does.

[dabail10]

Whoops. Issued the PR from the wrong branch.