Resurrect generic_armv5

But only for unbundled build.
Add it to tapas arch options.

Bug: 8108463
Change-Id: I53cd63c6ab2113fee3992650b561658231ea9921
diff --git a/target/board/generic_armv5/AndroidBoard.mk b/target/board/generic_armv5/AndroidBoard.mk
new file mode 100644
index 0000000..7daff27
--- /dev/null
+++ b/target/board/generic_armv5/AndroidBoard.mk
@@ -0,0 +1,17 @@
+#
+# Copyright (C) 2011 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.
+#
+
+-include build/target/board/generic/AndroidBoard.mk