Add PUMAS DDT metadata file to CAM-SIMA registry.

Author: nusbaume

src/data/registry.xml

@@ -19,6 +19,8 @@
   <metadata_file>$SRCROOT/src/data/ref_pres.meta</metadata_file>
   <metadata_file>$SRCROOT/src/dynamics/utils/vert_coord.meta</metadata_file>
   <metadata_file>$SRCROOT/src/dynamics/utils/hycoef.meta</metadata_file>
+  <!-- PUMAS DDT metadata file -->
+  <metadata_file>$SRCROOT/src/physics/ncar_ccpp/schemes/pumas/pumas/micro_pumas_diags.meta</metadata_file>
   <!-- Variables registered to physics_types -->
   <file name="physics_types" type="module">
     <use module="ccpp_kinds" reference="kind_phys"/>