drivers: can: mcan: fix array index in cache handling param
drivers: can: mcan: fix array index in cache handling param

filter_nr was renamed to filter_id. This change was not included
in the cache handling PR.

Signed-off-by: Alexander Wachter <e46fc836cca3acec03944314d1457c2ae6c68ef3@wachter.cloud>

galak/zephyr,zephyrproject-rtos/zephyr,zephyrproject-rtos/zephyr,zephyrproject-rtos/zephyr,galak/zephyr,galak/zephyr,galak/zephyr,finikorg/zephyr,finikorg/zephyr,finikorg/zephyr,zephyrproject-rtos/zephyr,finikorg/zephyr,galak/zephyr,zephyrproject-rtos/zephyr,finikorg/zephyr