Set COMPILER in link for detect machine (#1092)

The new detect_machine script in gfs-utils requires COMPILER be set.

Also added the gfs-utils scripts to the git ignore list.

Fixes #1090

.gitignore

@@ -128,3 +128,8 @@ ush/ufsda
 ush/wafs_blending.sh
 ush/wafs_grib2.regrid.sh
 ush/wafs_intdsk.sh
+ush/finddate.sh
+ush/make_NTC_file.pl
+ush/make_ntc_bull.pl
+ush/make_tif.sh
+ush/month_name.sh

sorc/link_workflow.sh

@@ -46,6 +46,7 @@ script_dir=$(cd "$(dirname "${BASH_SOURCE[0]}")" &> /dev/null && pwd)
 top_dir=$(cd "$(dirname "${script_dir}")" &> /dev/null && pwd)
 cd "${script_dir}"
 
+COMPILER="intel"
 # shellcheck disable=SC1091
 source gfs_utils.fd/ush/detect_machine.sh  # (sets MACHINE_ID)
 # shellcheck disable=