Add MPAS-Ocean, OMEGA and MALI submodules

[xylar]

The E3SM-Project and MALI-Dev submodules point to the same commits as the corresponding submodules in compass currently have.

Checklist

• [x] Developer's Guide has been updated
• [x] Documentation has been built locally and changes look as expected
• [x] Testing comment in the PR documents testing used to verify the changes

[xylar]

Testing

I was able to build the MPAS-Ocean code on my laptop from the e3sm_submoudles/E3SM-Project/components/mpas-ocean directory.