ARM: dts: msm: Add support for WCD9320 audio codec on APQ8084

WCD9320 is the audio codec used with APQ8084. WCD9320 codec device
is added to Device Tree for APQ8084.

Change-Id: I3abc16b9609b80395c2e7003e083d2247f59cdd5
Signed-off-by: Banajit Goswami <bgoswami@codeaurora.org>