audio: Set -ENOSYS return value in the not implemented functions
audio: Set -ENOSYS return value in the not implemented functions

The Google VTS tests for Android expect that the non-implemented functions
return -ENOSYS.

Set the return value in the out_get_render_position() and
out_get_next_write_timestamp() functions to -ENOSYS (Not implemented).

Change-Id: I0ae3751fadf72570928b56e703fc0503250fbf06
Signed-off-by: Maksym Prymierov <e05afb7aaf4851a33b3022ff2eecb9820c1f1f8f@globallogic.com>

CirrusLogic/tinyhal,CirrusLogic/tinyhal,CirrusLogic/tinyhal