AES: AML: Pad passthrough by 75ms

* For AML devices there is a slight a/v sync issue when using passthrough (roughly 75ms)
* Pad the latency by 75 ms for this usecase, otherwise delay it as we have been
  by 250ms

Signed-off-by: Brandon McAnsh <brandonm@matricom.net>
ActiveAE: AML: Load 2.0 channels if not matricom device

* Our devices support > 2.0 channels, but not all AML devices do

Signed-off-by: Brandon McAnsh <brandonm@matricom.net>