Revert "tenderloin:  remove use alsa"

This reverts commit 17504d7160765c7382a6f04fe0d937b4f5c1bbe2.
fix rebooting into recovery/webos

* enough of setting and catching changing of props
* just run the damn script

Change-Id: I146f5be7de464a9db686677918b1aca4688c0b29