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

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

Change-Id: Id60ba16cc75dc2c3f75b750b3a46ca4ae745eb97