audio-hal: Gen4 specific changes for test app

enabled gen4 for exp_dac audio-nxp-auto teat app.

Change-Id: If3c399b9d56bfab79796e871c99dc8fd237fbb8c
Signed-off-by: Deepak Agrawal <quic_deeagr@quicinc.com>
1 file changed