packagegroup-base: add aplay for audio I/O testing

JIRA: http://jira.alm.mentorg.com:8080/browse/SB-3559

Signed-off-by: Yasir-Khan <yasir_khan@mentor.com>
Merge pull request #324 from Yasir-Khan/alsa-minnow

packagegroup-base: add aplay for audio I/O testing