Revert to original cpl dt values

Author: ezhilsabareesh8

nuopc.runconfig

@@ -278,19 +278,19 @@ MED_attributes::
 ::
 
 CLOCK_attributes::
-     atm_cpl_dt = -999
+     atm_cpl_dt = 3600
      calendar = NO_LEAP
      end_restart = .false.
      glc_avg_period = yearly
      glc_cpl_dt = 86400
      history_ymd = -999
-     ice_cpl_dt = -999
-     lnd_cpl_dt = -999
-     ocn_cpl_dt = -999
+     ice_cpl_dt = 3600
+     lnd_cpl_dt = 3600
+     ocn_cpl_dt = 3600
      restart_n = 1
      restart_option = nyears
      restart_ymd = -999
-     rof_cpl_dt = -999
+     rof_cpl_dt = 3600
      start_tod = 0
      start_ymd = 19000101
      stop_n = 1
@@ -300,7 +300,7 @@ CLOCK_attributes::
      tprof_n = -999
      tprof_option = never
      tprof_ymd = -999
-     wav_cpl_dt = -999
+     wav_cpl_dt = 3600
 ::
 
 ATM_attributes::