use board serial number from device tree
-rw-r--r-- 746 README
-rw-r--r-- 7207 hid_gadget_test.c
-rwxr-xr-x 334 install.sh
-rwxr-xr-x 310 mass-storage-file.sh
-rw-r--r-- 1727 rndis-ecm-adm.sh
-rwxr-xr-x 2478 usb-composite-all.sh
-rwxr-xr-x 376 usb-gadget-stop.sh
-rwxr-xr-x 976 usb-hid-start.sh
-rw-r--r-- 261 usb-otg.service