add EASE grid support to Regrid_Util.x

[weiyuan-jiang]

Types of change(s)

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)
• Trivial change (affects only documentation or cleanup)
• Refactor (no functional changes, no api changes)

Checklist

• Tested this change with a run of GEOSgcm
• Ran the Unit Tests (make tests)

Description

Related Issue

[weiyuan-jiang]

This PR addresses issue #3761

[weiyuan-jiang]

@mathomp4 Please do not merge now. I wanted to do more refactoring. @bena-nasa Is the MAPL_CFIO obsolete too?

[github-actions]

This PR is being prevented from merging because you have added one of our blocking labels: 🚫 Contingent - DNA. You'll need to remove it before this PR can be merged.

[mathomp4]

I'm adding a blocking label just so I won't accidentally merge this until @weiyuan-jiang is happy.

[github-actions]

This PR has been automatically marked as stale because it has not had activity in the last 60 days. If there are no updates within 7 days, it will be closed. You can add the ":hourglass: Long Term" label to prevent the stale action from closing this issue.

[mathomp4]

Unstaling.

[github-actions]

This PR has been automatically marked as stale because it has not had activity in the last 60 days. If there are no updates within 7 days, it will be closed. You can add the ":hourglass: Long Term" label to prevent the stale action from closing this issue.

[mathomp4]

Making this longterm until @weiyuan-jiang and @bena-nasa can work on it.