hal: add incall music uplink2 pcm id

- There is no LCH tone playback on sub2 since the
  pcm ID and the DAI links are missing for 8974.
- Add pcm id for 8974.

Change-Id: I518d5eb3bfeaddd3b00281db064429087b10a37b
CRs-Fixed: 626562

hal/msm8974/platform.h

@@ -187,7 +187,17 @@ enum {
 #define HFP_PCM_RX 5
 
 #define INCALL_MUSIC_UPLINK_PCM_DEVICE 1
+
+#ifdef PLATFORM_MSM8610
+#define INCALL_MUSIC_UPLINK2_PCM_DEVICE 14
+#elif PLATFORM_MSM8x26
 #define INCALL_MUSIC_UPLINK2_PCM_DEVICE 16
+#elif PLATFORM_MSM8974
+#define INCALL_MUSIC_UPLINK2_PCM_DEVICE 35
+#else
+#define INCALL_MUSIC_UPLINK2_PCM_DEVICE -1
+#endif
+
 #define SPKR_PROT_CALIB_RX_PCM_DEVICE 5
 #define SPKR_PROT_CALIB_TX_PCM_DEVICE 32
 #define PLAYBACK_OFFLOAD_DEVICE 9