align file address in dma table

FileDataRelocator.py

@@ -500,7 +500,11 @@ def encode(self) -> bytearray:
 
     def write(self, rom: Rom, start_address_adjustment: Optional[int] = 0) -> None:
         raw_file = self.encode()
-        new_start = self.start + start_address_adjustment
+        new_start = align16(self.start + start_address_adjustment)
+        file_length = len(raw_file)
+        while file_length < align16(file_length):
+            raw_file.extend(int.to_bytes(0, 1, 'big'))
+            file_length += 1
         rom.write_bytes(new_start, raw_file)
         rom.update_dmadata_record_by_key(self.start, new_start, new_start + len(raw_file))