[ADC] Changed the test procedure to read two channels via interrupt and single channel mode.
[ADC] Changed the test procedure to read two channels via interrupt and single channel mode.

chrism333/xpcc,chrism333/xpcc,chrism333/xpcc,chrism333/xpcc,dergraaf/xpcc,dergraaf/xpcc,dergraaf/xpcc,dergraaf/xpcc