adc: add adc edma support in frdm_k82f
adc: add adc edma support in frdm_k82f

adc edma and pit support in frdm_k82f

Signed-off-by: Hake Huang <141c0384c6b2febca367ae94dc4dc40a33a7ba79@oss.nxp.com>

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