hal: add audio support for kona

Add audio support for kona.

Change-Id: Ib1eb05209ce3220e00fa15cddc5338b3f62871f9
diff --git a/post_proc/Android.mk b/post_proc/Android.mk
index f75ffe1..c68a861 100644
--- a/post_proc/Android.mk
+++ b/post_proc/Android.mk
@@ -144,7 +144,7 @@
 
 ################################################################################
 
-ifneq ($(filter msm8992 msm8994 msm8996 msm8998 sdm660 sdm845 apq8098_latv sdm710 msm8953 msm8937 qcs605 msmnile $(MSMSTEPPE),$(TARGET_BOARD_PLATFORM)),)
+ifneq ($(filter msm8992 msm8994 msm8996 msm8998 sdm660 sdm845 apq8098_latv sdm710 msm8953 msm8937 qcs605 msmnile kona $(MSMSTEPPE),$(TARGET_BOARD_PLATFORM)),)
 
 include $(CLEAR_VARS)