dsp: adm: add to check output/input channel value

To avoid out of bound value of output/input
channel add the check.

Change-Id: I25b7616d6fc08c2d0bb530dfb1457471dc25861c
Signed-off-by: Shashi Kant Maurya <smaury@codeaurora.org>
Signed-off-by: Ramu Gottipati <ramug@codeaurora.org>