Change prefix SO --> SOMALI

This is for clarity for this particular mesh

compass/ocean/tests/global_ocean/mesh/so12to30/so12to30.cfg

@@ -48,7 +48,7 @@ approx_cell_count = 570000
 
 ## metadata related to the mesh
 # the prefix (e.g. QU, EC, WC, SO)
-prefix = SO
+prefix = SOMALI
 # a description of the mesh and initial condition
 mesh_description = MPAS Southern Ocean regionally refined mesh for E3SM version
                    ${e3sm_version} with enhanced resolution (${min_res} km) around
@@ -59,7 +59,7 @@ mesh_description = MPAS Southern Ocean regionally refined mesh for E3SM version
 e3sm_version = 3
 # The revision number of the mesh, which should be incremented each time the
 # mesh is revised
-mesh_revision = 3
+mesh_revision = 4
 # the minimum (finest) resolution in the mesh
 min_res = 12
 # the maximum (coarsest) resolution in the mesh, can be the same as min_res