Add Arm 64bit emulator build target.

Change-Id: I20f3bb2d2dbb6c59c52c74f367df7886d1c290ae
diff --git a/BoardConfig.mk b/BoardConfig.mk
new file mode 100644
index 0000000..92e7b88
--- /dev/null
+++ b/BoardConfig.mk
@@ -0,0 +1,21 @@
+# Copyright (C) 2014 The Android Open-Source Project
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+# BoardConfig.mk
+#
+# Product-specific compile-time definitions.
+#
+
+include device/generic/armv7-a-neon/BoardConfig.mk