+Allow position=NORTH_FACE in pass_var calls

[Hallberg-NOAA]

Added code to handle the cases where the position argument to pass_var
is set to NORTH_FACE or EAST_FACE. All answers are bitwise identical.

[codecov-commenter]

Codecov Report

Merging #1188 into dev/gfdl will decrease coverage by 0.06%.
The diff coverage is 37.84%.

@@             Coverage Diff              @@
##           dev/gfdl    #1188      +/-   ##
============================================
- Coverage     46.08%   46.01%   -0.07%     
============================================
  Files           214      224      +10     
  Lines         69399    70501    +1102     
============================================
+ Hits          31984    32443     +459     
- Misses        37415    38058     +643     

Impacted Files	Coverage Δ
...g_src/external/GFDL_ocean_BGC/FMS_coupler_util.F90	0.00% <0.00%> (ø)
...fig_src/external/GFDL_ocean_BGC/generic_tracer.F90	0.00% <0.00%> (ø)
...c/external/GFDL_ocean_BGC/generic_tracer_utils.F90	0.00% <0.00%> (ø)
config_src/external/ODA_hooks/kdtree.f90	0.00% <0.00%> (ø)
config_src/external/ODA_hooks/ocean_da_core.F90	0.00% <0.00%> (ø)
config_src/external/ODA_hooks/ocean_da_types.F90	0.00% <0.00%> (ø)
config_src/external/ODA_hooks/write_ocean_obs.F90	0.00% <0.00%> (ø)
config_src/solo_driver/MESO_surface_forcing.F90	0.00% <0.00%> (ø)
config_src/solo_driver/MOM_driver.F90	68.72% <ø> (ø)
config_src/solo_driver/user_surface_forcing.F90	0.00% <0.00%> (ø)
... and 174 more

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update d4205f6...78335a1. Read the comment docs.

[adcroft]

https://gitlab.gfdl.noaa.gov/ogrp/MOM6/-/pipelines/11108