ASoC: wcd: update codec driver to configure codec based on format

Based on the format configured by the user space configure the codec
for 16 bit or 32 bit mode.

Change-Id: I6d0f2b974c3c5d029668d31cd4cef48b67ba8595
Signed-off-by: Santosh Mardi <gsantosh@codeaurora.org>