CRAS: dsp_ini - Fix crash when creating dummy dsp ini

Sets the max allowed number of channels to 8.
Fix the incorrect array size.

BUG=chromium:873068
TEST=Test basic playback and capture.

Change-Id: Id545b11863a882ac5c37e4c9a792bac014e11754
Reviewed-on: https://chromium-review.googlesource.com/1170662
Commit-Ready: Hsinyu Chao <hychao@chromium.org>
Tested-by: Hsinyu Chao <hychao@chromium.org>
Reviewed-by: Dylan Reid <dgreid@chromium.org>
1 file changed