package version metadata for external/

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Change-Id: I929cacb287ba40e5ab8231930df302afcc0f2b8c
diff --git a/README.version b/README.version
new file mode 100644
index 0000000..4428a0f
--- /dev/null
+++ b/README.version
@@ -0,0 +1,2 @@
+URL: http://sourceforge.net/projects/libusb/files/libusb-1.0/libusb-1.0.8/libusb-1.0.8.tar.bz2/download
+Version: 1.0.8