Read Henrys Law coefficients from file

[fvitt]

Description of changes

This moves the hard-wired data from seq_drydep_mod to an input file that can be easily replaced to provide flexibility.

Specific notes

This PR needs to be coordinated with
ESCOMP/CAM#602

See relevant discussion in:
ESCOMP/CESM_share#8

Contributors other than yourself, if any:

CMEPS Issues Fixed (include github issue #):
ESCOMP/CESM_share#8

Are changes expected to change answers? (specify if bfb, different at roundoff, more substantial)
bfb

Any User Interface Changes (namelist or namelist defaults changes)?
Added dep_data_file (in drv_flds_in) for the path of the input data file containing Henrys Law coefficients

Testing performed

Testing performed if application target is CESM:

• (recommended) CIME_DRIVER=nuopc scripts_regression_tests.py
  • machines: cheyenne, izumi
  • details (e.g. failed tests):
• (recommended) CESM testlist_drv.xml
  • machines and compilers:
  • details (e.g. failed tests):
• (optional) CESM prealpha test
  • machines and compilers
  • details (e.g. failed tests):
• aux_cam tests
  • machines and compilers: cheyenne-intel, izumi-gnu, izumi-nag
  • details (e.g. failed tests):

Testing performed if application target is UFS-coupled:

• (recommended) UFS-coupled testing
  • description:
  • details (e.g. failed tests):

Testing performed if application target is UFS-HAFS:

• (recommended) UFS-HAFS testing
  • description:
  • details (e.g. failed tests):

Hashes used for testing:

• CESM:
  • repository to check out: https://github.com/ESCOMP/CESM.git
  • branch/hash:
• UFS-coupled, then umbrella repostiory to check out and associated hash:
  • repository to check out:
  • branch/hash:
• UFS-HAFS, then umbrella repostiory to check out and associated hash:
  • repository to check out:
  • branch/hash:

[jedwards4b]

@fvitt this change was never tested with a B case or with a case in which atm ntasks were not the same as lnd ntasks.