Added initial libusb driver.  This needs to be modified to build under GYP and with AOS.
diff --git a/gyro_board/src/libusb-driver/README b/gyro_board/src/libusb-driver/README
new file mode 100644
index 0000000..f8c3657
--- /dev/null
+++ b/gyro_board/src/libusb-driver/README
@@ -0,0 +1 @@
+./get --logtostderr=1