hal: Add audio support for msmskunk

Add audio support for msmskunk.

CRs-Fixed: 2011757
Change-Id: Ide76df039065e35e0ef0d49a4e044145967a3089
diff --git a/hal/msm8974/platform.h b/hal/msm8974/platform.h
index 0018427..3a032d0 100644
--- a/hal/msm8974/platform.h
+++ b/hal/msm8974/platform.h
@@ -434,7 +434,7 @@
 #define FM_RX_VOLUME "PRI MI2S LOOPBACK Volume"
 #elif PLATFORM_MSM8996
 #define FM_RX_VOLUME "Tert MI2S LOOPBACK Volume"
-#elif PLATFORM_MSM8998
+#elif defined (PLATFORM_MSM8998) || defined (PLATFORM_MSMSKUNK)
 #define FM_RX_VOLUME "SLIMBUS_8 LOOPBACK Volume"
 #else
 #define FM_RX_VOLUME "Internal FM RX Volume"