loader: refactor to use fs bindings

libraries/libstratosphere/include/stratosphere/fs/fs_code.hpp

@@ -21,4 +21,7 @@ namespace ams::fs {
 
     Result MountCode(const char *name, const char *path, ncm::ProgramId program_id);
 
+    Result MountCodeForAtmosphereWithRedirection(const char *name, const char *path, ncm::ProgramId program_id, bool is_hbl, bool is_specific);
+    Result MountCodeForAtmosphere(const char *name, const char *path, ncm::ProgramId program_id);
+
 }