Add 2 configurations for IPSLCM6 : piControl_ttop and piControl_split:
No change between piControl and piControl_ttop (to be kept in time)
For piControl_split : change in lmdz.card (LMDZ_Physics=NPv6.0.14split)
to use physiq.def_NPv6.0.14split, gcm.def_144x142_NPv6.0.14split and
namelist_lim3_ORCA1_cfg_NPv6.0.14split with only one diff : n_cdsn=0.50