drivers/atwinc15x0: blacklist esp32 architecure
drivers/atwinc15x0: blacklist esp32 architecure

esp32 vendor code and atwinc15x0 both define conflicting spi_flash_{read, write} functions. esp32 already have build-in WiFi, so it's unlikely to ever use this driver - just blacklist the architecture.
kaspar030/RIOT,ant9000/RIOT,jasonatran/RIOT,miri64/RIOT,miri64/RIOT,kYc0o/RIOT,kYc0o/RIOT,ant9000/RIOT,kaspar030/RIOT,RIOT-OS/RIOT,jasonatran/RIOT,miri64/RIOT,miri64/RIOT,kaspar030/RIOT,jasonatran/RIOT,kaspar030/RIOT,kYc0o/RIOT,kaspar030/RIOT,kYc0o/RIOT,jasonatran/RIOT,RIOT-OS/RIOT,jasonatran/RIOT,RIOT-OS/RIOT,ant9000/RIOT,kYc0o/RIOT,ant9000/RIOT,miri64/RIOT,ant9000/RIOT,RIOT-OS/RIOT,RIOT-OS/RIOT