audio: hal: add support for combo backend capture

-Add support to capture 10 channel audio from two backends
 6 channel from SLIM_0_TX and 4 channel from TERT_MI2S_TX.

-add support for SOURCE_DEC_TYPE to support 10 channel
 generic mic capture.

Change-Id: I4fdfb7fa07d916426a0f11d88506039d0556bac7
diff --git a/qahw/inc/qahw_defs.h b/qahw/inc/qahw_defs.h
index 4601a2b..87389b4 100644
--- a/qahw/inc/qahw_defs.h
+++ b/qahw/inc/qahw_defs.h
@@ -228,6 +228,9 @@
 #define QAHW_AUDIO_DEVICE_OUT_SPEAKER3 0x20000000
 #define QAHW_AUDIO_DEVICE_OUT_OPTICAL 0x40000
 
+#define QAHW_AUDIO_DEVICE_IN_SPEAKER_MIC2 0x10000000
+#define QAHW_AUDIO_DEVICE_IN_SPEAKER_MIC3 0x20000000
+
 #define QAHW_PCM_CUSTOM_CHANNEL_MAP_12  59
 #define QAHW_PCM_CUSTOM_CHANNEL_MAP_13  60
 #define QAHW_PCM_CUSTOM_CHANNEL_MAP_14  61