Changing to use function

Changing to use function _asus_tinker_board_id() in board.py

Author: BlitzCityDIY

adafruit_platformdetect/board.py

@@ -120,7 +120,7 @@ def id(self):
         elif chip_id == chips.RK3308:
             board_id = self._rock_pi_id()
         elif chip_id == chips.RK3288:
-            board_id = boards._ASUS_TINKER_BOARD_IDS
+            board_id = self._asus_tinker_board_id()
         elif chip_id == chips.RYZEN_V1605B:
             board_id = self._udoo_id()