Make it build under Android

Replace version_gen.h with hardcoded version_non_gen.h
Add Android.mk and libfdt/Android.mk
Change dtc-parser.tab.h to dtc-parser.h (in dtc-lexer.l)

Change-Id: If7b8ac5fdad41294298161b3e800fc81347be415
diff --git a/README.version b/README.version
new file mode 100644
index 0000000..ee72e1f
--- /dev/null
+++ b/README.version
@@ -0,0 +1,3 @@
+URL: https://git.kernel.org/cgit/utils/dtc/dtc.git/commit/?id=b06e55c88b9b922ff7e25cd62a4709b65524f0fc
+Version: 1.4.1 plus bugfixes
+Owners: cphoenix