arm64: dts: qcom: sm8550-mtp: add WSA8845 speakers

Add Qualcomm WSA8845 Soundwire smart speaker amplifiers.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20230608094323.267278-2-krzysztof.kozlowski@linaro.org