Update land-jediincr namelists (#1702)

# Description

<!-- Enter PR description here. -->
updates the namelist template for GDASApp/land-jediincr, and fills in
default values to the test namelist.

# Companion PRs

<!-- Enter links to any companion PRs here. -->
NOAA-EMC/global-workflow#3645
# Issues

<!-- Enter any issues referenced or resolved by this PR here. Use
keywords "Resolves" or "Refs".
Resolves #1234
Refs #4321
Refs NOAA-EMC/repo#5678
-->

# Automated CI tests to run in Global Workflow
<!-- Which Global Workflow CI tests are required to adequately test this
PR? -->
- [ ] atm_jjob <!-- JEDI atm single cycle DA !-->
- [ ] C96C48_ufs_hybatmDA <!-- JEDI atm cycled DA !-->
- [x] C96C48_hybatmaerosnowDA  <!-- JEDI aero/snow cycled DA !-->
- [ ] C48mx500_3DVarAOWCDA <!-- JEDI low-res marine 3DVar cycled DA !-->
- [ ] C48mx500_hybAOWCDA <!-- JEDI marine hybrid envar cycled DA !-->
- [ ] C96C48_hybatmDA <!-- GSI atm cycled DA !-->

Author: tsga

parm/snow/apply_incr_nml.j2

@@ -6,5 +6,10 @@
   rst_path = "./anl",
   inc_path = "./anl",
   orog_path = "{{ HOMEgfs }}/fix/orog/{{ CASE }}",
-  otype = "{{ CASE }}.mx{{ OCNRES }}_oro_data"
+  otype = "{{ CASE }}.mx{{ OCNRES }}_oro_data",
+  ntiles="{{ ntiles }}",
+  ens_size=1,
+  noincr_threshold = "{{ noincr_threshold }}",
+  print_summary=.true.,
+  print_debug="{{ print_debug }}" ,
 /

test/snow/apply_jedi_incr.sh

@@ -49,6 +49,11 @@ cat << EOF > apply_incr_nml
  inc_path="$WORKDIR",
  orog_path="$TPATH"
  otype="$TSTUB"
+ ntiles=6,
+ ens_size=1,
+ noincr_threshold=999999.9,
+ print_summary=.true.,
+ print_debug=.false.
 /
 EOF