hal: Update configure.ac for qcs605 target

Add check for qcs605 target to select platform file
during compilation.

Change-Id: I95abb28d49f2c2b1757f6b0697f1cedf924d8684
diff --git a/configure.ac b/configure.ac
index a84e2cd..d6775b2 100644
--- a/configure.ac
+++ b/configure.ac
@@ -81,6 +81,11 @@
          AC_SUBST([TARGET_PLATFORM], ["msm8974"])
          TARGET_CFLAGS="-DPLATFORM_MSM8996"
 fi
+if (test x$TARGET_SUPPORT = xqcs605); then
+         AC_SUBST([TARGET_PLATFORM], ["msm8974"])
+         TARGET_CFLAGS=" -DPLATFORM_QCS605"
+fi
+
 AC_SUBST([TARGET_CFLAGS])
 
 AM_CONDITIONAL([QTI_AUDIO_SERVER_ENABLED],[test x$BOARD_SUPPORTS_QTI_AUDIO_SERVER = xtrue])