hal : enable QAF extension.

Enable QAF extension in audio HAL to compile qaf.c file

CRs-fixed: 2041319

Change-Id: I15b93ad03fbcf9a25ae11483e02a8ea64defd6cd
diff --git a/configure.ac b/configure.ac
index 6302ea9..6a0e9c2 100644
--- a/configure.ac
+++ b/configure.ac
@@ -35,7 +35,7 @@
 AC_ARG_WITH(sanitized-headers,
         AS_HELP_STRING([--with-sanitized-headers=DIR],
                 [Specify the location of the sanitized Linux headers]),
-        [CPPFLAGS="$CPPFLAGS -idirafter $withval"])
+        [CPPFLAGS="$CPPFLAGS -I $withval"])
 
 
 AC_ARG_WITH([glib],
@@ -110,6 +110,7 @@
 AM_CONDITIONAL([ADSP_HDLR], [test x$AUDIO_FEATURE_ADSP_HDLR_ENABLED = xtrue])
 AM_CONDITIONAL([AUDIO_IP_HDLR], [test x$AUDIO_FEATURE_IP_HDLR_ENABLED = xtrue])
 AM_CONDITIONAL([SPLIT_A2DP], [test x$AUDIO_FEATURE_ENABLED_SPLIT_A2DP = xtrue])
+AM_CONDITIONAL([QAF_SUPPORT], [test x$AUDIO_FEATURE_ENABLED_QAF = xtrue])
 
 AC_CONFIG_FILES([ \
         Makefile \