Merge branch 'topic/compress-accel' into for-next

Pull documentation fixes for compress-offload API extensions.

Signed-off-by: Takashi Iwai <[e-mail]>

Documentation/sound/designs/compress-accel.rst

···
 State Machine
 =============
 
-The passthrough audio stream state machine is described below :
+The passthrough audio stream state machine is described below::
 
                                        +----------+
                                        |          |

Documentation/sound/designs/index.rst

···
 
    control-names
    channel-mapping-api
+   compress-accel
    compress-offload
    timestamping
    jack-controls