PLUMBER2 surface data for CTSM5.2

[wwieder]

Brief summary of bug

PLUMBER2 usermods in #2482 were set up for 5.1 surface data

General bug information

CTSM version you are using:
ctsm5.2.001

Does this bug cause significantly incorrect results in the model's science? No, PLUMBER2 sites are a new feature, WIP that are not being tested

Configurations affected: PLUMBER2 single point cases

**Error in log file states

using /glade/u/home/wwieder/CTSM/tools/site_and_regional/subset_data_single_point/surfdata_1x1_PLUMBER2_ZM-Mon_hist_16pfts_Irrig_CMIP6_simyr2000_c231005.nc
 Opened existing file
 /glade/u/home/wwieder/CTSM/tools/site_and_regional/subset_data_single_point/sur
 fdata_1x1_PLUMBER2_ZM-Mon_hist_16pfts_Irrig_CMIP6_simyr2000_c231005.nc
         155
 check_var: variable xc is not on dataset
 surfrd_get_data lon_var = LONGXY lat_var =LATIXY
 ncd_inqvid: variable PCT_OCEAN is not on dataset
 ENDRUN:
 ERROR:
  ERROR: PCT_OCEAN NOT on surfdata file but required when running ctsm5.2 or new
 er;  you are advised to generate a new surfdata file using the mksurfdata_esmf
 tool ERROR in surfrdMod.F90 at line 421

[ekluzek]

This was brought in ctsm5.2.027 so closing