Merge "add ioctl to read IEC958 data" am: c0a07a23f6 am: 2cfc7c9ccd am: bdfd2c2eb3 am: cb5cb11494

Original change: https://android-review.googlesource.com/c/platform/external/tinyalsa/+/1953480

Change-Id: Ic9b2c7a9c178c56bea22f59af0aac88bc40fa3b9