cleanup panda mcu definitions (#27104)

* cleanup panda mcu definitions

* cleanup panda mcu definitions

* bump

* panda master
old-commit-hash: 1d9b4c2248

panda

@@ -1 +1 @@
-Subproject commit ae051c94a393550ab8d70c594fc9dfb49bc9aed8
+Subproject commit 76d0459182d544d17c86d8b352e9cc1c26035f4d

selfdrive/boardd/pandad.py

@@ -7,7 +7,7 @@ import subprocess
 from typing import List, NoReturn
 from functools import cmp_to_key
 
-from panda import DEFAULT_FW_FN, DEFAULT_H7_FW_FN, MCU_TYPE_H7, Panda, PandaDFU
+from panda import Panda, PandaDFU
 from common.basedir import BASEDIR
 from common.params import Params
 from system.hardware import HARDWARE
@@ -15,10 +15,8 @@ from system.swaglog import cloudlog
 
 
 def get_expected_signature(panda: Panda) -> bytes:
-  fn = DEFAULT_H7_FW_FN if (panda.get_mcu_type() == MCU_TYPE_H7) else DEFAULT_FW_FN
-
   try:
-    return Panda.get_signature_from_firmware(fn)
+    return Panda.get_signature_from_firmware(panda.get_mcu_type().config.app_path)
   except Exception:
     cloudlog.exception("Error computing expected signature")
     return b""