audio: update audio hal to support an ABE without a dl2 path

Modify the multiport audio hal solution to add support for an ABE
without a dl2 path. The audio hal will support an ABE
with both dl1 and dl2 paths, and also an ABE without the dl2 path.

Change-Id: I99a8708a06dc5486213a22084a3dfc86442afa23
Signed-off-by: Bryan Honza <honza@ti.com>
1 file changed