EAMxx: fix compilation error on CUDA

Author: bartgol

components/eamxx/src/share/grid/remap/iop_remapper.hpp

@@ -32,7 +32,12 @@ class IOPRemapper : public AbstractRemapper
     int col_lid = -1;
   };  
 
+// CUDA requires the parent fcn of a KOKKOS_LAMBDA to have public access
+#ifndef EAMXX_ENABLE_GPU
+protected:
+#endif
   void setup_closest_col_info (const Real lat, const Real lon);
+protected:
 
   void registration_ends_impl () override;