ASoC: apq8084: Update MI2S/PCM MUX addresses

APQ8084 uses Primary AUXPCM port to connect BT device for audio.
Update addresses for MUX to select between MI2S and PCM ports.

Change-Id: Ia5fde991d71c5a89aa28d10f48f02a5abd06939f
Signed-off-by: Banajit Goswami <bgoswami@codeaurora.org>