drivers: interrupt_controller: Remove unnecessary cast
drivers: interrupt_controller: Remove unnecessary cast

This removes a cast when getting the isr eth address from the isr table.

Signed-off-by: Pawel Sagan <49ff85bd63ce8cdcc7fef60152677fe99d319b05@internships.antmicro.com>
Signed-off-by: Mateusz Holenko <1a79f421828d0048009fccfd7504972981cac7dd@antmicro.com>

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