Set CAM_DYCORE to se for RRM grids

RRM grids using the se dycore should all start with ne0, but CAM_DYCORE
was only set explicitly when the atmosphere grid started with ne[1-9].
Setting this to se when the grid begins with ne[0-9] sets CAM_DYCORE
properly for all RRM grids. Fixes #1357.

components/cam/cime_config/config_component.xml

@@ -19,7 +19,7 @@
     <default_value>fv</default_value>
     <values>
       <value grid="a%T[1-9]" >eul</value>
-      <value grid="a%ne[1-9]">se</value>
+      <value grid="a%ne[0-9]">se</value>
     </values>
     <group>build_component_cam</group>
     <file>env_build.xml</file>