Merge branch '118-add-atmospheric-pressure-to-exchanges-variables-in-cpl_oasis-testcase' into 'branch_4.2'

Merge branch '118-add-atmospheric-pressure-to-exchanges-variables-in-cpl_oasis-testcase' into 'branch_4.2'

Resolve "add atmospheric pressure to exchanges variables in CPL_OASIS testcase"

Closes #118 (closed)

See merge request !180 (merged)

(cherry picked from commit c16ed4f5)

6b24c968 add atmospheric pressure in oasis namcouple and nemo namelist