bugfix: sample: test: Add pass conditions to audio/dmic sample

Twister was failing for samples/drivers/audio/dmic with timeout
because there were no pass conditions defined. This patch sets
harness to console and adds regex entries to be checked.

Fixes: #38532

Signed-off-by: Maciej Perkowski <Maciej.Perkowski@nordicsemi.no>
1 file changed