modules: fatfs: Update FAT module version check

Update FFCONF_DEF check to match the new value in the module.

Signed-off-by: Dominik Ermel <dominik.ermel@nordicsemi.no>

modules/fatfs/zephyr_fatfs_config.h

@@ -1,10 +1,10 @@
 /*
- * Copyright (c) 2022 Nordic Semiconductor ASA
+ * Copyright (c) 2022-2025 Nordic Semiconductor ASA
  * Copyright (c) 2023 Husqvarna AB
  *
  * SPDX-License-Identifier: Apache-2.0
  */
-#if FFCONF_DEF != 5380
+#if FFCONF_DEF != 80386
 #error "Configuration version mismatch"
 #endif