Allow for coupling to both nemo and hycom (CICE-Consortium#474)

* allow for nemo-cice coupling in same driver

Co-authored-by: Tony Craig <apcraig@users.noreply.github.com>

cicecore/drivers/nuopc/dmi/CICE_InitMod.F90

@@ -171,10 +171,12 @@ subroutine cice_init(mpi_comm)
       call icepack_warnings_flush(nu_diag)
       if (icepack_warnings_aborted()) call abort_ice(error_message=subname, &
          file=__FILE__, line=__LINE__)
-
-!     call calendar(time)       ! determine the initial date
-
+#ifndef CICE_DMI
+      call calendar(time)       ! determine the initial date
+#endif
+#ifndef CICE_IN_NEMO
       call init_forcing_ocn(dt) ! initialize sss and sst from data
+#endif
       call init_state           ! initialize the ice state
       call init_transport       ! initialize horizontal transport
       call ice_HaloRestore_init ! restored boundary conditions
@@ -216,7 +218,9 @@ subroutine cice_init(mpi_comm)
    ! coupler communication or forcing data initialization
    !--------------------------------------------------------------------
 
+#ifndef CICE_IN_NEMO
       call init_forcing_atmo    ! initialize atmospheric forcing (standalone)
+#endif
 
 #ifndef coupled
 #ifndef CESMCOUPLED