Tegra124: Venice2: Enable support for 'sound' command (audio play)

With this change, I can use 'sound init;sound play' to play a
beep/buzz on the Venice2 speakers/headphones.

BUG=chrome-os-partner:23782
BRANCH=Tegra Venice2
TEST=As above, built/booted Venice2 and heard beep via HPO/SPO.

Change-Id: I9b90982f68044caeaa2b704a38bd97d9a80ade78
Signed-off-by: Tom Warren <twarren@nvidia.com>
Reviewed-on: https://chromium-review.googlesource.com/175321
1 file changed