arm64: defconfig: Enable Qualcomm SDM845 audio configs

Enable soundwire, slimbus frameworks, the machine driver and the codec
drivers for WCD934x and WSA881x used on varios SDM845 based designs.

Tested-by: Vinod Koul <vkoul@kernel.org>
Reviewed-by: Vinod Koul <vkoul@kernel.org>
Link: https://lore.kernel.org/r/20200315050827.1575421-1-bjorn.andersson@linaro.org


Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>