tests: drivers: adc: adc_api: Enable ADC test support
tests: drivers: adc: adc_api: Enable ADC test support

Enable ADC test support for bmd_345_eval board

Signed-off-by: NavinSankar Velliangiri <49539127e3b30c16298735e95f2c28dfc9d80225@linumiz.com>

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