Update GLDAS tag to gldas_gfsv16_release.v.2.1.0

New GLDAS tag includes:
- updates for hpc-stack-gfsv16 modules on Hera/Orion
- adding the "atmos" subfolder to the PRCP CPC gauge GDA path

Refs: NOAA-EMC#665, NOAA-EMC#802

Externals.cfg

@@ -15,7 +15,7 @@ protocol = git
 required = True
 
 [GLDAS]
-tag = gldas_gfsv16_release.v.2.0.0
+tag = gldas_gfsv16_release.v.2.1.0
 local_path = sorc/gldas.fd
 repo_url = https://github.com/NOAA-EMC/GLDAS.git
 protocol = git

sorc/checkout.sh

@@ -46,7 +46,7 @@ fi
 echo gldas checkout ...
 if [[ ! -d gldas.fd ]] ; then
     rm -f ${topdir}/checkout-gldas.log
-    git clone --branch gldas_gfsv16_release.v.2.0.0 https://github.com/NOAA-EMC/GLDAS  gldas.fd >> ${topdir}/checkout-gldas.fd.log 2>&1
+    git clone --branch gldas_gfsv16_release.v.2.1.0 https://github.com/NOAA-EMC/GLDAS  gldas.fd >> ${topdir}/checkout-gldas.fd.log 2>&1
     cd ${topdir}
 else
     echo 'Skip.  Directory gldas.fd already exists.'