interfaces: Import ExynosA2DPOffload

* From https://gitlab.com/Linaro/96boards/e850-96/platform/vendor/samsung_slsi/-/tree/8263c898ccfbbee41e30b405b1f858c5a417ff33/hardware/ExynosA2DPOffload

Change-Id: Idd0904fd0e7038aa40412dbf04d3be1d9438bfc5
Signed-off-by: Francescodario Cuzzocrea <bosconovic@gmail.com>
17 files changed