hal: add support for hdmi out device

In hal the DP and HDMI out devices are treated as same.
where as in pal, DP and HDMI are two different devices.
Select the pal out device as either HDMI or DP based on
controller and stream values.

In stream out setparams, update the controller and stream
values only if corresponding setparams received.

Change-Id: I3bb96349d9260470288667d82a8055f69f373227
2 files changed