msm: mdss: hdmi: add support to program sample present value

The HDMI transmitter core can be used to program the sample
present value of the audio sample packet. The sample present
value is determined in the audio driver and sent as part of
the parameters to the audio setup interface.

Change-Id: I8d580f95467343328ec0d24efc48dabf8a41ad49
Signed-off-by: Tatenda Chipeperekwa <tatendac@codeaurora.org>