fs: add extension GetEntryList to AesCtrCounterExtendedStorage

libraries/libstratosphere/include/stratosphere/fssystem/fssystem_aes_ctr_counter_extended_storage.hpp

@@ -123,6 +123,8 @@ namespace ams::fssystem {
                 AMS_UNUSED(size);
                 R_THROW(fs::ResultUnsupportedSetSizeForAesCtrCounterExtendedStorage());
             }
+
+            Result GetEntryList(Entry *out_entries, s32 *out_entry_count, s32 entry_count, s64 offset, s64 size);
         private:
             Result Initialize(IAllocator *allocator, const void *key, size_t key_size, u32 secure_value, fs::SubStorage data_storage, fs::SubStorage table_storage);
     };