hal: Add audio support for msmskunk

Add audio support for msmskunk.

CRs-Fixed: 2011757
Change-Id: Ide76df039065e35e0ef0d49a4e044145967a3089
diff --git a/post_proc/Android.mk b/post_proc/Android.mk
index 88d8c1c..11a03d2 100644
--- a/post_proc/Android.mk
+++ b/post_proc/Android.mk
@@ -81,7 +81,7 @@
 
 ################################################################################
 
-ifneq ($(filter msm8992 msm8994 msm8996 msm8998 sdm660,$(TARGET_BOARD_PLATFORM)),)
+ifneq ($(filter msm8992 msm8994 msm8996 msm8998 sdm660 msmskunk,$(TARGET_BOARD_PLATFORM)),)
 
 include $(CLEAR_VARS)