ASoC: codecs: wcd938x: add basic driver
This patch adds basic SoundWire codec driver to support for WCD938X TX and RX devices. Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org> Link: https://lore.kernel.org/r/20210609090943.7896-4-srinivas.kandagatla@linaro.org Signed-off-by: Mark Brown <broonie@kernel.org>