ASoC: codecs: wsa883x: Simplify handling variant/version

Driver does not use detected variant/version variables past the init
function, so do not store them in the state container structure.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://patch.msgid.link/20240710-asoc-wsa88xx-version-v1-3-f1c54966ccde@linaro.org


Signed-off-by: Mark Brown <broonie@kernel.org>