Add 2-degree model capability

[gold2718]

• Add any necessary configuration information for a 2-degree model
• Add at least one fully-coupled test running on the NE16pg3__tn14 grid

[mvdebolskiy]

@gold2718 do you want to make this a letter tag? Or this goes as noresm3_0_alpha03?
Should we add NorESMhub/CTSM#129 (these fixes probably need to go into cam checkout too) here too?

[gold2718]

Resolved by #671