audio: Add support for 8974 Voice2

Add the Voice2 pcm ID to enable DSDS on 8974.

CRs-fixed: 587066
Change-Id: Ifd134313a49af601f4e0f1d66ad0b4ff8596609d
diff --git a/hal/msm8974/platform.h b/hal/msm8974/platform.h
index a791445..e7980d6 100644
--- a/hal/msm8974/platform.h
+++ b/hal/msm8974/platform.h
@@ -168,8 +168,8 @@
 #define FM_PLAYBACK_PCM_DEVICE 5
 #define FM_CAPTURE_PCM_DEVICE  6
 #define HFP_PCM_RX 5
-#define HFP_SCO_RX 22
-#define HFP_ASM_RX_TX 23
+#define HFP_SCO_RX 23
+#define HFP_ASM_RX_TX 24
 
 #define INCALL_MUSIC_UPLINK_PCM_DEVICE 1
 #define INCALL_MUSIC_UPLINK2_PCM_DEVICE 16
@@ -201,11 +201,16 @@
 #define VOICE2_CALL_PCM_DEVICE 13
 #define VOLTE_CALL_PCM_DEVICE 21
 #define QCHAT_CALL_PCM_DEVICE 06
-#else
+#elif PLATFORM_MSM8610
 #define VOICE_CALL_PCM_DEVICE 2
 #define VOICE2_CALL_PCM_DEVICE 13
 #define VOLTE_CALL_PCM_DEVICE 14
 #define QCHAT_CALL_PCM_DEVICE 20
+#else
+#define VOICE_CALL_PCM_DEVICE 2
+#define VOICE2_CALL_PCM_DEVICE 22
+#define VOLTE_CALL_PCM_DEVICE 14
+#define QCHAT_CALL_PCM_DEVICE 20
 #endif
 
 #define LIB_CSD_CLIENT "libcsd-client.so"