Adding default finidat for 1850 conditions with r05 land grid

Author: darincomeau

components/elm/bld/namelist_files/namelist_defaults.xml

@@ -232,6 +232,13 @@ ic_tod="0" sim_year="1850" glc_nec="0" use_crop=".false." >lnd/clm2/initdata_map
 ic_tod="0" sim_year="2000" glc_nec="0" use_crop=".false." >lnd/clm2/initdata_map/clmi.ICRUCLM45SP.2000-01-01.ne240np4_tx0.1v2.162cd32_simyr2000_c170910.nc
 </finidat>
 
+<!-- r05 resolution -->
+
+<finidat hgrid="r05" maxpft="17" mask="SOwISC12to30E3r3" use_cn=".true." ic_ymd="18500101" more_vertlayers=".false."
+sim_year="1850" glc_nec="0" use_crop=".false.">lnd/clm2/initdata/elmi.v3-SORRM.ne30pg2_r05_SOwISC12to30E3r3.1850-01-01-00000.c20240923.nc
+</finidat>
+
+
 <!-- ne0np4_northamericax4v1.pg2 -->
 <fsurdat hgrid="ne0np4_northamericax4v1.pg2"   sim_year="1850" use_crop=".false." >
 lnd/clm2/surfdata_map/surfdata_ne0np4_northamericax4v1.pg2_simyr1850_c210112_with_TOP.nc</fsurdat>