Bump soundtrigger to 2.3. am: a4524e604f am: 64b9cb7f73 am: 8b24f70204 am: 3d3c7d824c

Original change: https://android-review.googlesource.com/c/device/linaro/hikey/+/1851033

Change-Id: If419e3d846aed5bbcc37184cd5b25fb679e2c18d