Update anal block in config.resources

- add WCOSS2 check to set general threads to 8 and keep it 5 threads
on R&Ds to keep nodes the same on R&Ds

Refs NOAA-EMC#419

parm/config/config.resources

@@ -231,9 +231,13 @@ elif [ ${step} = "anal" ]; then
     export wtime_anal="00:50:00"
     export wtime_anal_gfs="00:40:00"
     export npe_anal=780
-    export nth_anal=8
+    export nth_anal=5
     export npe_anal_gfs=825
-    export nth_anal_gfs=8
+    export nth_anal_gfs=5
+    if [[ "$machine" = "WCOSS2" ]]; then
+      export nth_anal=8
+      export nth_anal_gfs=8
+    fi
     if [ $CASE = "C384" ]; then
       export npe_anal=160
       export npe_anal_gfs=160