ASoC: create wsa883x codec entry in proc fs

Create a WSA883x codec entry with variant and version info
for each of available wsa883x devices in proc file system.

Change-Id: I0656a947a735abc0a00aa1dcbfc57ce00f653e13
Signed-off-by: Vignesh Kulothungan <vigneshk@codeaurora.org>