For HBR stream test, use straight channel mapping way.
when switched back to "speaker-test -c8", even the audio
infoframe is up-to-date, there should be correct channel mapping setup.
Signed-off-by: NWang Xingchao <xingchao.wang@intel.com>
Signed-off-by: NTakashi Iwai <tiwai@suse.de>