Add ARC commands

ARC, Audio Return Channel is newly introduced in HDMI CEC 1.4.
Here is a list of new command
<Initiate ARC>
<Report ARC Initiated>
<Report ARC Terminated>
<Request ARC Initiation>
<Request ARC Termination>
<Terminate ARC>

Along with it replaced <Get OSD Name> with <Give OSD Name>
which is renamed in CEC 1.4.

Change-Id: I6a03b30cf90a8f6dca54831355be05682a6df96c
1 file changed