hal: update build file to support automotive virtual target

Update the audio HAL autoconf script to support automotive virtual target.

Change-Id: Ib72c7ff863d24d56c22f25c73e7bec8a01b421d6
Signed-off-by: Yonghui Zhang <yonghuiz@codeaurora.org>
diff --git a/configure.ac b/configure.ac
index c3c0e34..33d5b27 100644
--- a/configure.ac
+++ b/configure.ac
@@ -77,6 +77,10 @@
          AC_SUBST([TARGET_PLATFORM], ["msm8974"])
          TARGET_CFLAGS="-DPLATFORM_SDX24"
 fi
+if (test x$TARGET_SUPPORT = x8x96autogvmquintcu); then
+         AC_SUBST([TARGET_PLATFORM], ["msm8974"])
+         TARGET_CFLAGS="-DPLATFORM_MSM8996"
+fi
 AC_SUBST([TARGET_CFLAGS])
 
 AM_CONDITIONAL([QTI_AUDIO_SERVER_ENABLED],[test x$BOARD_SUPPORTS_QTI_AUDIO_SERVER = xtrue])