ASoC: msm: Add support for multiple instance of compressed audio

Reduce the ring buffer size, period bytes and period count in
compressed driver to support multiple instance. Add mixer control
for volume control for new instance of compress driver.

Change-Id: I7234236adc29b6a996c9d95219495351467ce17f
Signed-off-by: Krishnankutty Kolathappilly <kkolat@codeaurora.org>