Change land surface for HR4 (NOAA-EMC#2787)

Resets the default value of opt_diag to 2 corresponding to the land
surface upgrades in ufs-weather-model for HR4.

Resolves NOAA-EMC#2786

Author: HelinWei-NOAA

ush/parsing_namelists_FV3.sh

@@ -389,7 +389,7 @@ cat >> input.nml <<EOF
   iopt_tbot    = ${iopt_tbot:-"2"}
   iopt_stc     = ${iopt_stc:-"1"}
   iopt_trs     = ${iopt_trs:-"2"}
-  iopt_diag    = ${iopt_diag:-"1"}
+  iopt_diag    = ${iopt_diag:-"2"}
   debug        = ${gfs_phys_debug:-".false."}
   nstf_name    = ${nstf_name}
   nst_anl      = ${nst_anl}

ush/parsing_namelists_FV3_nest.sh

@@ -446,7 +446,7 @@ cat >> "${nml_file}" <<EOF
   iopt_tbot    = ${iopt_tbot:-"2"}
   iopt_stc     = ${iopt_stc:-"1"}
   iopt_trs     = ${iopt_trs:-"2"}
-  iopt_diag    = ${iopt_diag:-"1"}
+  iopt_diag    = ${iopt_diag:-"2"}
   debug        = ${gfs_phys_debug:-".false."}
   nstf_name    = ${nstf_name}
   nst_anl      = ${nst_anl}