dsp: support for AFE SPDIF input interface

Support two SPDIF input and two SPDIF output interfaces in AFE.
Support 61937 compressed capture.

Change-Id: Ie71434eb53be798567a6240e0f4bf171aee305b8
Signed-off-by: Ralf Herz <rherz@codeaurora.org>

include/dsp/q6asm-v2.h

@@ -323,6 +323,9 @@ int q6asm_stream_open_write_v4(struct audio_client *ac, uint32_t format,
 			       uint16_t bits_per_sample, int32_t stream_id,
 			       bool is_gapless_mode);
 
+int q6asm_open_read_compressed(struct audio_client *ac, uint32_t format,
+				uint32_t passthrough_flag);
+
 int q6asm_open_write_compressed(struct audio_client *ac, uint32_t format,
 				uint32_t passthrough_flag);