linux-firmware: package audio topology for Lenovo X13s

Add audio topology description to the qcom-sc8280xp-lenovo-x13s-audio
package. The file is licensed is copyright by Linaro and licensed under
BSD 3-clause license.

Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Luca Ceresoli <luca.ceresoli@bootlin.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>