add checks for optional properties of FPGA iCE40#80909

mmahadevan108 merged 1 commit intozephyrproject-rtos:mainzephyrproject-rtos/zephyr:mainfrom

benediktibk:fix/fpga_ice40_gpio_bitbangbenediktibk/zephyr:fix/fpga_ice40_gpio_bitbangCopy head branch name to clipboard