hal: add support for msmcobalt

Add initial audio support for MSMCOBALT target

Change-Id: I06cd6a558d8622c7b8ff82b5531478adea96e631
diff --git a/post_proc/Android.mk b/post_proc/Android.mk
index ad4bd4c..c7166ee 100644
--- a/post_proc/Android.mk
+++ b/post_proc/Android.mk
@@ -81,7 +81,7 @@
 
 ################################################################################
 
-ifneq ($(filter msm8992 msm8994 msm8996,$(TARGET_BOARD_PLATFORM)),)
+ifneq ($(filter msm8992 msm8994 msm8996 msmcobalt,$(TARGET_BOARD_PLATFORM)),)
 
 include $(CLEAR_VARS)